10223 + Interview Questions in Chemistry Page 149 InterviewSolution

7401.	Which of the following ions has the maximum magnetic moment?
Answer» Which of the following ions has the maximum magnetic moment?

Discussion

7402.	How temperature creates more dissolving?? When we increase the temp. Of water how it's solubility increases and why?
Answer» How temperature creates more dissolving?? When we increase the temp. Of water how it's solubility increases and why?

Discussion

7403.	If the reaction below is a double displacement, what will the equation when it is balanced AlCl3+AgNO3→?
Answer» If the reaction below is a double displacement, what will the equation when it is balanced $A l C l_{3} + A g N O_{3} \to$ ?

7403.

If the reaction below is a double displacement, what will the equation when it is balanced AlCl3+AgNO3→?

Answer»

If the reaction below is a double displacement, what will the equation when it is balanced $A l C l_{3} + A g N O_{3} \to$ ?

Discussion

7404.	Which type of change occurs when iron is heated with sulphur Powder
Answer» Which type of change occurs when iron is heated with sulphur Powder

Discussion

7405.	Which of the following symbols are the correct indication of the phase of a substance in a reaction?
Answer» Which of the following symbols are the correct indication of the phase of a substance in a reaction?

Discussion

7406.	According to IUPAC recommendations, the number of groups in Long form of the periodic table is __________
Answer» According to IUPAC recommendations, the number of groups in Long form of the periodic table is __________

Discussion

7407.	The atomic mass of Cl is 35.5 g. Calculate the mass of 4.50 moles of chlorine gas, Cl2.
Answer» The atomic mass of Cl is 35.5 g. Calculate the mass of 4.50 moles of chlorine gas, Cl₂.

Discussion

7408.	The effect of temperature on the solubility of gas in a liquid is governed by _______ .
Answer» The effect of temperature on the solubility of gas in a liquid is governed by _______ .

Discussion

7409.	What is the valency of Nitrogen in NO2?
Answer» What is the valency of Nitrogen in $N O_{2}$ ?

Discussion

7410.	C60 contains
Answer» $C_{60}$ contains

Discussion

7411.	What is contained within fractional column, set in between boiling beaker and the condensing unit?
Answer» What is contained within fractional column, set in between boiling beaker and the condensing unit?

Discussion

7412.	What do you understand by the term concentrated solution?
Answer» What do you understand by the term concentrated solution?

Discussion

7413.	Question 11 Which of the tubes in Figure (a) and (b) will be more effective as a condenser in the distillation apparatus?
Answer» Question 11 Which of the tubes in Figure (a) and (b) will be more effective as a condenser in the distillation apparatus?

Discussion

7414.	As shown in the given figure, the clothes gets dried up because:
Answer» As shown in the given figure, the clothes gets dried up because:

7414.

As shown in the given figure, the clothes gets dried up because:

Answer»

As shown in the given figure, the clothes gets dried up because:

Discussion

7415.	Neha added dil. HCl into a test tube containing iron powder. She observed bubbles being formed during this. These bubbles are due to the formation of .
Answer» Neha added $dil . HCl$ into a test tube containing iron powder. She observed bubbles being formed during this. These bubbles are due to the formation of .

Discussion

7416.	Which of the following is not a healthy practice?
Answer» Which of the following is not a healthy practice?

Discussion

7417.	In order to attain octet configuration, the atoms share, lose or gain electrons. In the process, its atomic mass:
Answer» In order to attain octet configuration, the atoms share, lose or gain electrons. In the process, its atomic mass:

Discussion

7418.	Aniline is diazotized and the diazonium salt hydrolysed to yield phenol which is brominated to produce C6H2(Br3)OH. Calculate the mass of the final product obtained from 9.3 g of aniline if the yield in the two steps is 45% and 70% (Atomic mass of Br = 80) ?
Answer» Aniline is diazotized and the diazonium salt hydrolysed to yield phenol which is brominated to produce $C_{6} H_{2} (B r_{3}) O H .$ Calculate the mass of the final product obtained from 9.3 g of aniline if the yield in the two steps is 45% and 70% (Atomic mass of Br = 80) ?

Discussion

7419.	Write the electronic configuration of the element with atomic number 17. Indicate the valency of the element.
Answer» Write the electronic configuration of the element with atomic number 17. Indicate the valency of the element.

Discussion

7420.	The oxidation state of Al in AlCl3 is
Answer» The oxidation state of $A l$ in $A l C l_{3}$ is

Discussion

7421.	The electronic configuration of Fluoride ion is the same as that of a Neon atom. What is the difference between the two ?
Answer» The electronic configuration of Fluoride ion is the same as that of a Neon atom. What is the difference between the two ?

Discussion

7422.	What temperature in kelvin scale is equal to 50 degree celsius.
Answer» What temperature in kelvin scale is equal to 50 degree celsius.

Discussion

7423.	What do you mean by recoil of an object
Answer» What do you mean by recoil of an object

Discussion

7424.	In the reaction, I2+2S2O2−3→2I−+S4O2−6 equivalent weight of iodine is
Answer» In the reaction, $I_{2} + 2 S_{2} O_{3}^{2 -} \to 2 I^{-} + S_{4} O_{6}^{2 -}$ equivalent weight of iodine is

Discussion

7425.	Hydrogen combines with oxygen in1:8 in water if 9g of water is decomposed 1g of hydrogen and 8g of hydrogen is always formed what if 10 g of water. what amount of hydrogen and oxygen we will get.how?
Answer» Hydrogen combines with oxygen in1:8 in water if 9g of water is decomposed 1g of hydrogen and 8g of hydrogen is always formed what if 10 g of water. what amount of hydrogen and oxygen we will get.how?

Discussion

7426.	Law of conservation of mass can be derived from which postulate of Dalton's atomic theory?
Answer» Law of conservation of mass can be derived from which postulate of Dalton's atomic theory?

Discussion

7427.	A solution contains 40 mL of ethyl alcohol mixed with 100mL of water. What is the concentration of the solution in terms of volume by volume percentage?
Answer» A solution contains 40 mL of ethyl alcohol mixed with 100mL of water. What is the concentration of the solution in terms of volume by volume percentage?

Discussion

7428.	In one video it was told that anions have a change in their name . Such as chlorine becomes chloride. So "ide"is only added when the compound is formed. Why? So why it cannot be in in normal molecule formation of atoms??
Answer» In one video it was told that anions have a change in their name . Such as chlorine becomes chloride. So "ide"is only added when the compound is formed. Why? So why it cannot be in in normal molecule formation of atoms??

Discussion

7429.	Based on the statements given here choose the correct answer. (1) Same sugar can be added to a full glass of water without causing overflow. (2) A liquid is continuous even-though space is present between the molecules.
Answer» Based on the statements given here choose the correct answer. (1) Same sugar can be added to a full glass of water without causing overflow. (2) A liquid is continuous even-though space is present between the molecules.

Discussion

7430.	What is the reason for the identical chemical properties of all the isotopes of an element ? Explain with the help of an example.
Answer» What is the reason for the identical chemical properties of all the isotopes of an element ? Explain with the help of an example.

Discussion

7431.	Explain the term 'global warming'. State two ways by which global warming can be reduced.
Answer» Explain the term 'global warming'. State two ways by which global warming can be reduced.

Discussion

7432.	The correct order of density of alkali metals is:
Answer» The correct order of density of alkali metals is:

Discussion

7433.	Question 38 Compute the number of ions present in 5.85 g of sodium chloride.
Answer» Question 38 Compute the number of ions present in 5.85 g of sodium chloride.

Discussion

7434.	What is the temperature on the farenhite scale at which all the molecular motion nearly stops?
Answer» What is the temperature on the farenhite scale at which all the molecular motion nearly stops?

Discussion

7435.	H2O2 acts as bleaching agent. In this reaction H2O2 undergoes
Answer» $H_{2}$ $O_{2}$ acts as bleaching agent. In this reaction $H_{2}$ $O_{2}$ undergoes

Discussion

7436.	How to find the valency of an atom of atomic number greater than 18?
Answer» How to find the valency of an atom of atomic number greater than 18?

Discussion

7437.	Why does steam causes more pain than boiling water?
Answer» Why does steam causes more pain than boiling water?

Discussion

7438.	What is biological fixation? How is it different from nitrification? Give an example of an organism involved in each of these.
Answer» What is biological fixation? How is it different from nitrification? Give an example of an organism involved in each of these.

Discussion

7439.	formula to calculate molecular mass
Answer» formula to calculate molecular mass

Discussion

7440.	In addition to rock particles, soil also contains________.(you may choose more than one option)
Answer» In addition to rock particles, soil also contains________.(you may choose more than one option)

Discussion

7441.	Whipping of egg whites is a chemical change or physical change?
Answer» Whipping of egg whites is a chemical change or physical change?

Discussion

7442.	What are the differences between substances and mixtures?
Answer» What are the differences between substances and mixtures?

Discussion

7443.	What is the ratio of solute and solvent in a concentrated solution?
Answer» What is the ratio of solute and solvent in a concentrated solution?

Discussion

7444.	The black coating on silver is due to _______ .
Answer» The black coating on silver is due to _______ .

Discussion

7445.	will increase of surface area, increase or decrease rate of evaporation
Answer» will increase of surface area, increase or decrease rate of evaporation

Discussion

7446.	Question 35 An element X has a mass number 4 and atomic number 2. Write the valency of this element.
Answer» Question 35 An element X has a mass number 4 and atomic number 2. Write the valency of this element.

Discussion

7447.	If an atom will be sub devided than what will be the products ?
Answer» If an atom will be sub devided than what will be the products ?

Discussion

7448.	An element has an atomic number of 13 and an atomic mass of 27. (a) How many electrons are there in each atom of the element? (b) How are these electrons distributed in the various energy levels?
Answer» An element has an atomic number of 13 and an atomic mass of 27. (a) How many electrons are there in each atom of the element? (b) How are these electrons distributed in the various energy levels?

Discussion

7449.	What is matter?and Write 2 properties of solids and liquids.
Answer» What is matter?and Write 2 properties of solids and liquids.

Discussion

7450.	Definition of concentrated solution
Answer» Definition of concentrated solution

Discussion

Explore topic-wise InterviewSolutions in .

Which of the following ions has the maximum magnetic moment?

How temperature creates more dissolving?? When we increase the temp. Of water how it's solubility increases and why?

If the reaction below is a double displacement, what will the equation when it is balanced AlCl3+AgNO3→?

Which type of change occurs when iron is heated with sulphur Powder

Which of the following symbols are the correct indication of the phase of a substance in a reaction?

According to IUPAC recommendations, the number of groups in Long form of the periodic table is __________

The atomic mass of Cl is 35.5 g. Calculate the mass of 4.50 moles of chlorine gas, Cl2.

The effect of temperature on the solubility of gas in a liquid is governed by _______ .

What is the valency of Nitrogen in NO2?

C60 contains

What is contained within fractional column, set in between boiling beaker and the condensing unit?

What do you understand by the term concentrated solution?

Question 11 Which of the tubes in Figure (a) and (b) will be more effective as a condenser in the distillation apparatus? ​​​​​​​

As shown in the given figure, the clothes gets dried up because:

Neha added dil. HCl into a test tube containing iron powder. She observed bubbles being formed during this. These bubbles are due to the formation of .

Which of the following is not a healthy practice?

In order to attain octet configuration, the atoms share, lose or gain electrons. In the process, its atomic mass:

Aniline is diazotized and the diazonium salt hydrolysed to yield phenol which is brominated to produce C6H2(Br3)OH. Calculate the mass of the final product obtained from 9.3 g of aniline if the yield in the two steps is 45% and 70% (Atomic mass of Br = 80) ?

Write the electronic configuration of the element with atomic number 17. Indicate the valency of the element.

The oxidation state of Al in AlCl3 is

The electronic configuration of Fluoride ion is the same as that of a Neon atom. What is the difference between the two ?

What temperature in kelvin scale is equal to 50 degree celsius.

What do you mean by recoil of an object

In the reaction, I2+2S2O2−3→2I−+S4O2−6 equivalent weight of iodine is

Hydrogen combines with oxygen in1:8 in water if 9g of water is decomposed 1g of hydrogen and 8g of hydrogen is always formed what if 10 g of water. what amount of hydrogen and oxygen we will get.how?

Law of conservation of mass can be derived from which postulate of Dalton's atomic theory?

A solution contains 40 mL of ethyl alcohol mixed with 100mL of water. What is the concentration of the solution in terms of volume by volume percentage?

In one video it was told that anions have a change in their name . Such as chlorine becomes chloride. So "ide"is only added when the compound is formed. Why? So why it cannot be in in normal molecule formation of atoms??

Based on the statements given here choose the correct answer. (1) Same sugar can be added to a full glass of water without causing overflow. (2) A liquid is continuous even-though space is present between the molecules.

What is the reason for the identical chemical properties of all the isotopes of an element ? Explain with the help of an example.

Explain the term 'global warming'. State two ways by which global warming can be reduced.

The correct order of density of alkali metals is:

Question 38 Compute the number of ions present in 5.85 g of sodium chloride.

What is the temperature on the farenhite scale at which all the molecular motion nearly stops?

H2O2 acts as bleaching agent. In this reaction H2O2 undergoes

How to find the valency of an atom of atomic number greater than 18?

Why does steam causes more pain than boiling water?

What is biological fixation? How is it different from nitrification? Give an example of an organism involved in each of these.

formula to calculate molecular mass

In addition to rock particles, soil also contains________.(you may choose more than one option)

Whipping of egg whites is a chemical change or physical change?

What are the differences between substances and mixtures?

What is the ratio of solute and solvent in a concentrated solution?

The black coating on silver is due to _______ .

will increase of surface area, increase or decrease rate of evaporation

Question 35 An element X has a mass number 4 and atomic number 2. Write the valency of this element.

If an atom will be sub devided than what will be the products ?

An element has an atomic number of 13 and an atomic mass of 27. (a) How many electrons are there in each atom of the element? (b) How are these electrons distributed in the various energy levels?

What is matter?and Write 2 properties of solids and liquids.

Definition of concentrated solution

Question 11 Which of the tubes in Figure (a) and (b) will be more effective as a condenser in the distillation apparatus?