15280 + Interview Questions in Chemistry Page 305 InterviewSolution

15201.	Read the following questions and answer as per the directions given below: Statement – I: The first ionization energy of Be is greater than that of B. Statement – II: 2p-orbital is lower in energy than 2s.
Answer» Read the following questions and answer as per the directions given below: Statement – I: The first ionization energy of Be is greater than that of B. Statement – II: 2p-orbital is lower in energy than 2s.

15201.

Read the following questions and answer as per the directions given below: Statement – I: The first ionization energy of Be is greater than that of B. Statement – II: 2p-orbital is lower in energy than 2s.

Answer»

Read the following questions and answer as per the directions given below:

Statement – I: The first ionization energy of Be is greater than that of B.

Statement – II: 2p-orbital is lower in energy than 2s.

Discussion

15202.	If an electrolyte dissociates completely into ions it is considered as a
Answer» If an electrolyte dissociates completely into ions it is considered as a

15202.

If an electrolyte dissociates completely into ions it is considered as a

Answer»

If an electrolyte dissociates completely into ions it is considered as a

Discussion

15203.	The indicators which turn red in acid solution are : (a) turmeric and litmus (b) phenolphthalein and methyl orange (c) litmus and methyl orange (d) phenolphthalein and litmus
Answer» The indicators which turn red in acid solution are : (a) turmeric and litmus (b) phenolphthalein and methyl orange (c) litmus and methyl orange (d) phenolphthalein and litmus

15203.

The indicators which turn red in acid solution are : (a) turmeric and litmus (b) phenolphthalein and methyl orange (c) litmus and methyl orange (d) phenolphthalein and litmus

Answer»

The indicators which turn red in acid solution are :

(a) turmeric and litmus

(b) phenolphthalein and methyl orange

(c) litmus and methyl orange

(d) phenolphthalein and litmus

Discussion

15204.	A solid is crystalline, has a high melting point and is water soluble. Describe the nature of the solid.
Answer» A solid is crystalline, has a high melting point and is water soluble. Describe the nature of the solid.

Discussion

15205.	Ethanoic acid turns blue litmus solution ___
Answer» Ethanoic acid turns blue litmus solution ___

Discussion

15206.	Prepare a Bank Reconciliation Statement on 31 March 2004 for the following when debit balance of pass book is Rs. 10,000: (1) Cheque amounting to Rs.8,000 drawn on 25th of March of which cheques of Rs.5,000 cashed in April 2004. (2) Cheques paid into Bank for collection to Rs.5,000 but cheques of Rs.2,200 could only be collected in March 2004.. (3) Bank charges Rs.25 and dividend of Rs.350 on investment collected by bank could not be shown in cash book. (4) A cheque of Rs.600 debited in cash book omitted to be banked.
Answer» Prepare a Bank Reconciliation Statement on 31 March 2004 for the following when debit balance of pass book is Rs. 10,000: (1) Cheque amounting to Rs.8,000 drawn on 25th of March of which cheques of Rs.5,000 cashed in April 2004. (2) Cheques paid into Bank for collection to Rs.5,000 but cheques of Rs.2,200 could only be collected in March 2004.. (3) Bank charges Rs.25 and dividend of Rs.350 on investment collected by bank could not be shown in cash book. (4) A cheque of Rs.600 debited in cash book omitted to be banked.

15206.

Prepare a Bank Reconciliation Statement on 31 March 2004 for the following when debit balance of pass book is Rs. 10,000: (1) Cheque amounting to Rs.8,000 drawn on 25th of March of which cheques of Rs.5,000 cashed in April 2004. (2) Cheques paid into Bank for collection to Rs.5,000 but cheques of Rs.2,200 could only be collected in March 2004.. (3) Bank charges Rs.25 and dividend of Rs.350 on investment collected by bank could not be shown in cash book. (4) A cheque of Rs.600 debited in cash book omitted to be banked.

Answer»

Prepare a Bank Reconciliation Statement on 31 March 2004 for the following when debit balance of pass book is Rs. 10,000:

(1) Cheque amounting to Rs.8,000 drawn on 25th of March of which cheques of Rs.5,000 cashed in April 2004.

(2) Cheques paid into Bank for collection to Rs.5,000 but cheques of Rs.2,200 could only be collected in March 2004..

(3) Bank charges Rs.25 and dividend of Rs.350 on investment collected by bank could not be shown in cash book.

(4) A cheque of Rs.600 debited in cash book omitted to be banked.

Discussion

15207.	report on on extraction of metals of low reactivity siver ,platinum and gold With easy language Detail explanation for each one separately
Answer» report on on extraction of metals of low reactivity siver ,platinum and gold With easy language Detail explanation for each one separately

Discussion

15208.	What will be the actual mass of 0.25 gram atom of calcium
Answer» What will be the actual mass of 0.25 gram atom of calcium

Discussion

15209.	The volume of 1 g each of methane (CH4), ethane (C2H6) , propane (C4H10) was measured at 350 K and 1 atm. What is the volume of butane
Answer» The volume of 1 g each of methane ( $C H_{4}$ ), ethane ( $C_{2} H_{6}$ ) , propane ( $C_{4} H_{1} 0$ ) was measured at 350 K and 1 atm. What is the volume of butane

Discussion

15210.	What does iupac mean
Answer» What does iupac mean

Discussion

15211.	How to determine the state of mater during balancing of equation?
Answer» How to determine the state of mater during balancing of equation?

Discussion

15212.	How will you test for the gas which is liberated when hydrochloric acid reacts with an active metals?
Answer» How will you test for the gas which is liberated when hydrochloric acid reacts with an active metals?

Discussion

15213.	Is toothpaste acidic or alkaline ?
Answer» Is toothpaste acidic or alkaline ?

Discussion

15214.	If set A has p elements and set B has q elements, then the number of elements in set (A × B) is _____.
Answer» If set A has p elements and set B has q elements, then the number of elements in set (A $\times$ B) is _____.

Discussion

15215.	Explain the process of carbonisation and formation of coal?
Answer» Explain the process of carbonisation and formation of coal?

Discussion

15216.	The formula for Zinc-Blende is ________ .
Answer» The formula for Zinc-Blende is ________ .

Discussion

15217.	Differentiate between primary and secondary cells, citing some examples for each.
Answer» Differentiate between primary and secondary cells, citing some examples for each.

Discussion

15218.	Calculate the relative molecular mass of CO2 if 300 ml of gas at STP weighs 0.30 g. Given 1 litre of H2 at STP weighs 0.09 g.
Answer» Calculate the relative molecular mass of $C O_{2}$ if 300 ml of gas at STP weighs 0.30 g. Given 1 litre of $H_{2}$ at STP weighs 0.09 g.

Discussion

15219.	Which of the following reaction shows redox reaction?
Answer» Which of the following reaction shows redox reaction?

Discussion

15220.	(a) What do you understand by exothermic and endothermic reactions ? (b) Give one example of an exothermic reaction and one of an endothermic reaction. (c) Which of the following are endothermic reactions and which are exothemic reactions ? (i) Buring of natural gas (ii) Photosynthesis (iii) Electrolysis of water (iv) Respitation (v) Decomposition of calcium carbonate
Answer» (a) What do you understand by exothermic and endothermic reactions ? (b) Give one example of an exothermic reaction and one of an endothermic reaction. (c) Which of the following are endothermic reactions and which are exothemic reactions ? (i) Buring of natural gas (ii) Photosynthesis (iii) Electrolysis of water (iv) Respitation (v) Decomposition of calcium carbonate

15220.

(a) What do you understand by exothermic and endothermic reactions ? (b) Give one example of an exothermic reaction and one of an endothermic reaction. (c) Which of the following are endothermic reactions and which are exothemic reactions ? (i) Buring of natural gas (ii) Photosynthesis (iii) Electrolysis of water (iv) Respitation (v) Decomposition of calcium carbonate

Answer»

(a) What do you understand by exothermic and endothermic reactions ?

(b) Give one example of an exothermic reaction and one of an endothermic reaction.

(c) Which of the following are endothermic reactions and which are exothemic reactions ?

(i) Buring of natural gas (ii) Photosynthesis

(iii) Electrolysis of water (iv) Respitation

(v) Decomposition of calcium carbonate

Discussion

15221.	Which of the following will not conduct electricity?
Answer» Which of the following will not conduct electricity?

Discussion

15222.	Dettol consists of:
Answer» Dettol consists of:

Discussion

15223.	Which of the following items can be prepared by the residue of sugarcane from which the juice has been extracted?
Answer» Which of the following items can be prepared by the residue of sugarcane from which the juice has been extracted?

Discussion

15224.	A compound 'X' of sodium is commonly used in the kitchen for making crispy fried snacks. It is also used to relieve acidity in stomach. Identify this 'X'. Write its chemical formula and the reactions taking place at the time of heating this compound.
Answer» A compound 'X' of sodium is commonly used in the kitchen for making crispy fried snacks. It is also used to relieve acidity in stomach. Identify this 'X'. Write its chemical formula and the reactions taking place at the time of heating this compound.

Discussion

15225.	Acid + Base → X + Y What are X and Y?
Answer» Acid + Base $\to$ X + Y What are X and Y?

15225.

Acid + Base → X + Y What are X and Y?

Answer»

Acid + Base $\to$ X + Y

What are X and Y?

Discussion

15226.	CH4 and C2H6 form a homologous series, they differ by:
Answer» $C H_{4} a n d C_{2} H_{6}$ form a homologous series, they differ by:

Discussion

15227.	One mole of P4 molecules contains:
Answer» One mole of $P_{4}$ molecules contains:

Discussion

15228.	An element X from group 2 of the periodic table reacts with an element Y from group 17 to form a compound. (a) What is the nature of the compound formed? (b) State whether the compound formed will conduct electricity or not. (c) Give the formula of the compound formed. (d) What is the valency of element X? (e) How many electrons are there in the outermost shell of an atom of element Y?
Answer» An element X from group 2 of the periodic table reacts with an element Y from group 17 to form a compound. (a) What is the nature of the compound formed? (b) State whether the compound formed will conduct electricity or not. (c) Give the formula of the compound formed. (d) What is the valency of element X? (e) How many electrons are there in the outermost shell of an atom of element Y?

15228.

An element X from group 2 of the periodic table reacts with an element Y from group 17 to form a compound. (a) What is the nature of the compound formed? (b) State whether the compound formed will conduct electricity or not. (c) Give the formula of the compound formed. (d) What is the valency of element X? (e) How many electrons are there in the outermost shell of an atom of element Y?

Answer»

An element X from group 2 of the periodic table reacts with an element Y from group 17 to form a compound.

(a) What is the nature of the compound formed?

(b) State whether the compound formed will conduct electricity or not.

(c) Give the formula of the compound formed.

(d) What is the valency of element X?

(e) How many electrons are there in the outermost shell of an atom of element Y?

Discussion

15229.	How many electrons does a carbon atom share with other carbon atom(s) in the formation of acetylene molecule?
Answer» How many electrons does a carbon atom share with other carbon atom(s) in the formation of acetylene molecule?

Discussion

15230.	The standard hydrogen electrode has zero electrode potential because
Answer» The standard hydrogen electrode has zero electrode potential because

Discussion

15231.	Question 5(a) You are given a hammer, a battery, a bulb, wires and a switch. (a) How could you use them to distinguish between samples of metals and non-metals?
Answer» Question 5(a) You are given a hammer, a battery, a bulb, wires and a switch. (a) How could you use them to distinguish between samples of metals and non-metals?

Discussion

15232.	Identify the Arrhenius acids among the following: 1. NaCl 2. HCl 3. Cu(OH)2 4. NaOH 5. H2SO4 6. HNO3 7. KOH
Answer» Identify the Arrhenius acids among the following: 1. $N a C l$ 2. $H C l$ 3. $C u (O H)_{2}$ 4. $N a O H$ 5. $H_{2} S O_{4}$ 6. $H N O_{3}$ 7. $K O H$

15232.

Identify the Arrhenius acids among the following: 1. NaCl 2. HCl 3. Cu(OH)2 4. NaOH 5. H2SO4 6. HNO3 7. KOH

Answer»

Identify the Arrhenius acids among the following:

1. $N a C l$ 2. $H C l$ 3. $C u (O H)_{2}$ 4. $N a O H$

5. $H_{2} S O_{4}$ 6. $H N O_{3}$ 7. $K O H$

Discussion

15233.	When excess of Cl2 reacts with ammonia, the products formed are:
Answer» When excess of $C l_{2}$ reacts with ammonia, the products formed are:

Discussion

15234.	The type of hybrid orbitals used by the chlorine atom in ClO−2 is
Answer» The type of hybrid orbitals used by the chlorine atom in $C l O_{2}^{-}$ is

Discussion

15235.	Write the molecular formula of first two members of homologous series having functional group CI (pls explain)
Answer» Write the molecular formula of first two members of homologous series having functional group CI (pls explain)

Discussion

15236.	The GAM of hydrogen is 1 g. How many grams of hydrogen gas contains avogadro number of molecules?
Answer» The GAM of hydrogen is 1 g. How many grams of hydrogen gas contains avogadro number of molecules?

Discussion

15237.	Bond length of C - C in ethane (I) Ethene (II) Ethyne (III) and Benzene (IV) follows the order
Answer» Bond length of C - C in ethane (I) Ethene (II) Ethyne (III) and Benzene (IV) follows the order

Discussion

15238.	chemical formula of sodium nitrate
Answer» chemical formula of sodium nitrate

Discussion

15239.	What is pH value of 1M NaOH?
Answer» What is pH value of 1M NaOH?

Discussion

15240.	Fill in the blanks with suitable words : An acid is a compound which when dissolved in water forms hydronium ions as the only ________ ions. A base is a compound which is soluble in water contains ________ ions. A base reacts with an acid to form a ________ and water only. This type of reaction is known as ________
Answer» Fill in the blanks with suitable words : An acid is a compound which when dissolved in water forms hydronium ions as the only ________ ions. A base is a compound which is soluble in water contains ________ ions. A base reacts with an acid to form a ________ and water only. This type of reaction is known as ________

15240.

Fill in the blanks with suitable words : An acid is a compound which when dissolved in water forms hydronium ions as the only ions. A base is a compound which is soluble in water contains ions. A base reacts with an acid to form a and water only. This type of reaction is known as

Answer»

Fill in the blanks with suitable words :

An acid is a compound which when dissolved in water forms hydronium ions as the only ________ ions.

A base is a compound which is soluble in water contains ________ ions. A base reacts with an acid to form a ________ and water only. This type of reaction is known as ________

Discussion

15241.	Which of the following metal is reacted with iron oxide in thermite process?
Answer» Which of the following metal is reacted with iron oxide in thermite process?

Discussion

15242.	On increasing the temperature the kinectic energy of particles
Answer» On increasing the temperature the kinectic energy of particles

Discussion

15243.	Mendeleev's periodic law is based on
Answer» Mendeleev's periodic law is based on

Discussion

15244.	On 1st January, 2016, X drew a bill on Y for Rs. 15,000 payable after 3 months. Y accepted the bill and returned it to X. After 10 days, X endorsed the bill to his creditor Z. On the due date, the bill was dishonoured and Z paid Rs. 300 as noting charges. Record the transactions in the books of X, Y and Z.
Answer» On 1st January, 2016, X drew a bill on Y for Rs. 15,000 payable after 3 months. Y accepted the bill and returned it to X. After 10 days, X endorsed the bill to his creditor Z. On the due date, the bill was dishonoured and Z paid Rs. 300 as noting charges. Record the transactions in the books of X, Y and Z.

Discussion

15245.	What is an elementary event?
Answer» What is an elementary event?

Discussion

15246.	A gas a ' X' reacts with lime water and forms a compound Y which is used as a bleaching agent in chemical industry. Identify X and Y .Give the chemical equation of the reactions involved.
Answer» A gas a ' X' reacts with lime water and forms a compound Y which is used as a bleaching agent in chemical industry. Identify X and Y .Give the chemical equation of the reactions involved.

Discussion

15247.	What are chemical reactions?
Answer» What are chemical reactions?

Discussion

15248.	Which of the following molecular formula corresponds to ethyl butanoate ester ? (a) C5H10O2 (b) C6H12O2 (c) C7H14O2 (d) C8H18O2
Answer» Which of the following molecular formula corresponds to ethyl butanoate ester ? (a) $C_{5} H_{10} O_{2}$ (b) $C_{6} H_{12} O_{2}$ (c) $C_{7} H_{14} O_{2}$ (d) $C_{8} H_{18} O_{2}$

15248.

Which of the following molecular formula corresponds to ethyl butanoate ester ? (a) C5H10O2 (b) C6H12O2 (c) C7H14O2 (d) C8H18O2

Answer»

Which of the following molecular formula corresponds to ethyl butanoate ester ?

(a) $C_{5} H_{10} O_{2}$ (b) $C_{6} H_{12} O_{2}$ (c) $C_{7} H_{14} O_{2}$ (d) $C_{8} H_{18} O_{2}$

Discussion

15249.	Correct orders of Ist I.P. are - (i) Li < B < Be < C (ii) O < N < F (iii) Be < N < Ne
Answer» Correct orders of Ist I.P. are - (i) Li < B < Be < C (ii) O < N < F (iii) Be < N < Ne

15249.

Correct orders of Ist I.P. are - (i) Li < B < Be < C (ii) O < N < F (iii) Be < N < Ne

Answer»

Correct orders of Ist I.P. are -

(i) Li < B < Be < C

(ii) O < N < F

(iii) Be < N < Ne

Discussion

15250.	Due to which of the following phase change process water droplets are seen on the outer surface of a glass containing ice-cold water?
Answer» Due to which of the following phase change process water droplets are seen on the outer surface of a glass containing ice-cold water?

Discussion

Explore topic-wise InterviewSolutions in .

Read the following questions and answer as per the directions given below: Statement – I: The first ionization energy of Be is greater than that of B. Statement – II: 2p-orbital is lower in energy than 2s.

If an electrolyte dissociates completely into ions it is considered as a

The indicators which turn red in acid solution are : (a) turmeric and litmus (b) phenolphthalein and methyl orange (c) litmus and methyl orange (d) phenolphthalein and litmus

A solid is crystalline, has a high melting point and is water soluble. Describe the nature of the solid.

Ethanoic acid turns blue litmus solution ___

report on on extraction of metals of low reactivity siver ,platinum and gold With easy language Detail explanation for each one separately

What will be the actual mass of 0.25 gram atom of calcium

The volume of 1 g each of methane (CH4), ethane (C2H6) , propane (C4H10) was measured at 350 K and 1 atm. What is the volume of butane

What does iupac mean

How to determine the state of mater during balancing of equation?

How will you test for the gas which is liberated when hydrochloric acid reacts with an active metals?

Is toothpaste acidic or alkaline ?

If set A has p elements and set B has q elements, then the number of elements in set (A × B) is _____.

Explain the process of carbonisation and formation of coal?

The formula for Zinc-Blende is ________ .

Differentiate between primary and secondary cells, citing some examples for each.

Calculate the relative molecular mass of CO2 if 300 ml of gas at STP weighs 0.30 g. Given 1 litre of H2 at STP weighs 0.09 g.

Which of the following reaction shows redox reaction?

Which of the following will not conduct electricity?

Dettol consists of:

Which of the following items can be prepared by the residue of sugarcane from which the juice has been extracted?

A compound 'X' of sodium is commonly used in the kitchen for making crispy fried snacks. It is also used to relieve acidity in stomach. Identify this 'X'. Write its chemical formula and the reactions taking place at the time of heating this compound.

Acid + Base → X + Y What are X and Y?

CH4 and C2H6 form a homologous series, they differ by:

One mole of P4 molecules contains:

How many electrons does a carbon atom share with other carbon atom(s) in the formation of acetylene molecule?

The standard hydrogen electrode has zero electrode potential because

Question 5(a) You are given a hammer, a battery, a bulb, wires and a switch. (a) How could you use them to distinguish between samples of metals and non-metals?

Identify the Arrhenius acids among the following: 1. NaCl 2. HCl 3. Cu(OH)2 4. NaOH 5. H2SO4 6. HNO3 7. KOH

When excess of Cl2 reacts with ammonia, the products formed are:

The type of hybrid orbitals used by the chlorine atom in ClO−2 is

Write the molecular formula of first two members of homologous series having functional group CI (pls explain)

The GAM of hydrogen is 1 g. How many grams of hydrogen gas contains avogadro number of molecules?

Bond length of C - C in ethane (I) Ethene (II) Ethyne (III) and Benzene (IV) follows the order

chemical formula of sodium nitrate

What is pH value of 1M NaOH?

Which of the following metal is reacted with iron oxide in thermite process?

On increasing the temperature the kinectic energy of particles

Mendeleev's periodic law is based on

What is an elementary event?

A gas a ' X' reacts with lime water and forms a compound Y which is used as a bleaching agent in chemical industry. Identify X and Y .Give the chemical equation of the reactions involved.

What are chemical reactions?

Which of the following molecular formula corresponds to ethyl butanoate ester ? (a) C5H10O2 (b) C6H12O2 (c) C7H14O2 (d) C8H18O2

Correct orders of Ist I.P. are - (i) Li &lt; B &lt; Be &lt; C (ii) O &lt; N &lt; F (iii) Be &lt; N &lt; Ne

Due to which of the following phase change process water droplets are seen on the outer surface of a glass containing ice-cold water?

Correct orders of Ist I.P. are - (i) Li < B < Be < C (ii) O < N < F (iii) Be < N < Ne