10223 + Interview Questions in Chemistry Page 197 InterviewSolution

9801.	What is sublimation
Answer» What is sublimation

Discussion

9802.	Arrange the following items on the basis of rate of diffusion in ascending order:
Answer» Arrange the following items on the basis of rate of diffusion in ascending order:

9802.

Arrange the following items on the basis of rate of diffusion in ascending order:

Answer»

Arrange the following items on the basis of rate of diffusion in ascending order:

Discussion

9803.	A molecule should:
Answer» A molecule should:

Discussion

9804.	___ is the method which is suited for the separation of a mixture of acetone and water.
Answer» ___ is the method which is suited for the separation of a mixture of acetone and water.

Discussion

9805.	What is dispersing phase and dispersing medium during rains
Answer» What is dispersing phase and dispersing medium during rains

Discussion

9806.	Difference Between Fe3 and Fe 2
Answer» Difference Between Fe3 and Fe 2

Discussion

9807.	What are the factors of sublimation?
Answer» What are the factors of sublimation?

Discussion

9808.	Match the column I and column II COLUMN ICOLUMN II1. Isobar(i) Becquerel2. M-shell(ii)K1019,Ar40183. Radioactivity(iii)18
Answer» Match the column I and column II $\begin{matrix} COLUMN I & COLUMN II 1. Isobar & (i) Becquerel 2. M-shell & (i i) K_{19}^{10}, A r_{18}^{40} 3. Radioactivity & (i i i) 18 \end{matrix}$

9808.

Match the column I and column II COLUMN ICOLUMN II1. Isobar(i) Becquerel2. M-shell(ii)K1019,Ar40183. Radioactivity(iii)18

Answer»

Match the column I and column II

$\begin{matrix} COLUMN I & COLUMN II 1. Isobar & (i) Becquerel 2. M-shell & (i i) K_{19}^{10}, A r_{18}^{40} 3. Radioactivity & (i i i) 18 \end{matrix}$

Discussion

9809.	What if we mix 1 litre of milk with one litre of water .Here in this case both of the two quantities are in equal amount then which one would be the solute and which one would be the solvent?
Answer» What if we mix 1 litre of milk with one litre of water .Here in this case both of the two quantities are in equal amount then which one would be the solute and which one would be the solvent?

Discussion

9810.	How many ions are present in 5.85 gram of sodium chloride?
Answer» How many ions are present in 5.85 gram of sodium chloride?

Discussion

9811.	What will be the electric charge of an atom if there are protons, neurons, electron?
Answer» What will be the electric charge of an atom if there are protons, neurons, electron?

Discussion

9812.	Solids have a definite shape but not liquids. Why?
Answer» Solids have a definite shape but not liquids. Why?

Discussion

9813.	Which among the given salts is used as a fungicide?
Answer» Which among the given salts is used as a fungicide?

Discussion

9814.	Analyze the given reaction below: 2H2O2MnO2→2H2O+O2 Which component will be left after the completion of the reaction?
Answer» Analyze the given reaction below: $2 H_{2} O_{2} M n O_{2} \to 2 H_{2} O + O_{2}$ Which component will be left after the completion of the reaction?

9814.

Analyze the given reaction below: 2H2O2MnO2→2H2O+O2 Which component will be left after the completion of the reaction?

Answer»

Analyze the given reaction below:

$2 H_{2} O_{2} M n O_{2} \to 2 H_{2} O + O_{2}$

Which component will be left after the completion of the reaction?

Discussion

9815.	When we compress a liquid then it changes into which state ?
Answer» When we compress a liquid then it changes into which state ?

Discussion

9816.	The rate constant of the reaction A→B is 0.6×10−3 mole per second. If the concentration of B after 20 min is:
Answer» The rate constant of the reaction $A \to B$ is $0.6 \times 10^{- 3}$ mole per second. If the concentration of B after 20 min is:

Discussion

9817.	Analyze the diagram below: The rate of the reaction in a test tube B is greater than the rate of the reaction in a test tube A. Which of the following factor could probably be the main reason for this?
Answer» Analyze the diagram below: The rate of the reaction in a test tube B is greater than the rate of the reaction in a test tube A. Which of the following factor could probably be the main reason for this?

9817.

Analyze the diagram below: The rate of the reaction in a test tube B is greater than the rate of the reaction in a test tube A. Which of the following factor could probably be the main reason for this?

Answer»

Analyze the diagram below:

The rate of the reaction in a test tube B is greater than the rate of the reaction in a test tube A. Which of the following factor could probably be the main reason for this?

Discussion

9818.	Give the formaula and valency of : (a) aluminate ........................ .............................. (b) chromate ........................ ................................ (c) aluminium .......................... ................................ (d) cupric ................................. ...................................
Answer» Give the formaula and valency of : (a) aluminate ........................ .............................. (b) chromate ........................ ................................ (c) aluminium .......................... ................................ (d) cupric ................................. ...................................

9818.

Give the formaula and valency of : (a) aluminate ........................ .............................. (b) chromate ........................ ................................ (c) aluminium .......................... ................................ (d) cupric ................................. ...................................

Answer»

Give the formaula and valency of :

(a) aluminate ........................ ..............................

(b) chromate ........................ ................................

(c) aluminium .......................... ................................

(d) cupric ................................. ...................................

Discussion

9819.	Compounds in which the shared pair of electrons is unequally shared between the reacting atoms are called a___ compound.
Answer» Compounds in which the shared pair of electrons is unequally shared between the reacting atoms are called a___ compound.

Discussion

9820.	34 g of H2O decomposes to _______ g of hydrogen and ____ g of oxygen.
Answer» 34 g of $H_{2} O$ decomposes to _______ g of hydrogen and ____ g of oxygen.

Discussion

9821.	Discuss the method of separating a mixture containing chalk powder, iron filings and naphthalene.
Answer» Discuss the method of separating a mixture containing chalk powder, iron filings and naphthalene.

Discussion

9822.	If by Neil's Bohr formula the no. Of electrons is 2n^2 . And if 3rd shell contains 18 electrons . Why did he said that the outermost shell can maximum hold 8 shells?
Answer» If by Neil's Bohr formula the no. Of electrons is 2n^2 . And if 3rd shell contains 18 electrons . Why did he said that the outermost shell can maximum hold 8 shells?

Discussion

9823.	Which of the following sets of elements do not belong to the same group?
Answer» Which of the following sets of elements do not belong to the same group?

Discussion

9824.	The pressure exerted by the gas is because of:
Answer» The pressure exerted by the gas is because of:

Discussion

9825.	xKMnO4+yK2C2O4+zH2SO4⟶aMnO4+bCO2+6K2SO4+8H2O Here x,y,z, a and b are respectively
Answer» $x K M n O_{4} + y K_{2} C_{2} O_{4} + z H_{2} S O_{4} ⟶ a M n O_{4} + b C O_{2} + 6 K_{2} S O_{4} + 8 H_{2} O$ Here x,y,z, a and b are respectively

9825.

xKMnO4+yK2C2O4+zH2SO4⟶aMnO4+bCO2+6K2SO4+8H2O Here x,y,z, a and b are respectively

Answer»

$x K M n O_{4} + y K_{2} C_{2} O_{4} + z H_{2} S O_{4} ⟶ a M n O_{4} + b C O_{2} + 6 K_{2} S O_{4} + 8 H_{2} O$

Here x,y,z, a and b are respectively

Discussion

9826.	Which of the following substances will release H+ ions when dissolved in water?
Answer» Which of the following substances will release $H^{+}$ ions when dissolved in water?

Discussion

9827.	What is definition of mixture
Answer» What is definition of mixture

Discussion

9828.	Name the gas produced when decomposition of biomass is done?
Answer» Name the gas produced when decomposition of biomass is done?

Discussion

9829.	What are the differences between sodium atom and sodium ion?
Answer» What are the differences between sodium atom and sodium ion?

Discussion

9830.	A hydrocarbon with 6-carbons in the skeletal can be named using which root word?
Answer» A hydrocarbon with 6-carbons in the skeletal can be named using which root word?

Discussion

9831.	Which of the following is a non metal that remains liquid at room temperature?
Answer» Which of the following is a non metal that remains liquid at room temperature?

Discussion

9832.	Which among the following has more P atoms P4 or 4P? __
Answer» Which among the following has more P atoms $P_{4}$ or 4P? __

Discussion

9833.	The number of moles of oxygen atoms in two moles of nitric acid is:
Answer» The number of moles of oxygen atoms in two moles of nitric acid is:

Discussion

9834.	Dissociation of hydrogen chloride into hydrogen and chlorine occur at temperatures
Answer» Dissociation of hydrogen chloride into hydrogen and chlorine occur at temperatures

Discussion

9835.	Consider the statements for preparation of nitric acid. i)Conc.H2SO4 is non-volatile. ii)Produce volatile nitric acid.
Answer» Consider the statements for preparation of nitric acid. i)Conc. $H_{2} S O_{4}$ is non-volatile. ii)Produce volatile nitric acid.

9835.

Consider the statements for preparation of nitric acid. i)Conc.H2SO4 is non-volatile. ii)Produce volatile nitric acid.

Answer»

Consider the statements for preparation of nitric acid.

i)Conc. $H_{2} S O_{4}$ is non-volatile.

ii)Produce volatile nitric acid.

Discussion

9836.	In which case the thermal conductivity increases from left to right
Answer» In which case the thermal conductivity increases from left to right

9836.

In which case the thermal conductivity increases from left to right

Answer»

In which case the thermal conductivity increases from left to right

Discussion

9837.	The atomic numbers of Si, Mg, and S respectively are:
Answer» The atomic numbers of Si, Mg, and S respectively are:

Discussion

9838.	State your observations when (a) Washing soda crystals (b) Iron (III) chloride salts are exposed to atmosphere.
Answer» State your observations when (a) Washing soda crystals (b) Iron (III) chloride salts are exposed to atmosphere.

9838.

State your observations when (a) Washing soda crystals (b) Iron (III) chloride salts are exposed to atmosphere.

Answer»

State your observations when

(a) Washing soda crystals

(b) Iron (III) chloride salts are exposed to atmosphere.

Discussion

9839.	You are given a mixture of water, groundnut oil and common salt. How will you separate groundnut oil and common salt from it?
Answer» You are given a mixture of water, groundnut oil and common salt. How will you separate groundnut oil and common salt from it?

Discussion

9840.	Write balance equations when the following compounds are heated- 1-Mercuric carbonate 2-Ferric Hydroxide
Answer» Write balance equations when the following compounds are heated- 1-Mercuric carbonate 2-Ferric Hydroxide

Discussion

9841.	If is found, on heating a gas, its volume increase by 50% and pressure decreases to 60% of its original value. If the original temperature was−15∘C, find the temperature to which is was heated?
Answer» If is found, on heating a gas, its volume increase by 50% and pressure decreases to 60% of its original value. If the original temperature was $- 15^{\circ} C$ , find the temperature to which is was heated?

Discussion

9842.	By looking at a Chemical equation, which of these is not evident right away?
Answer» By looking at a Chemical equation, which of these is not evident right away?

Discussion

9843.	Latent heat of evaporation of two liquids A and B is 100 J/Kg and 150 J/Kg respectively. Which can produce more cooling effect and why?
Answer» Latent heat of evaporation of two liquids A and B is 100 J/Kg and 150 J/Kg respectively. Which can produce more cooling effect and why?

Discussion

9844.	Which of the following is the best definition of a mole?
Answer» Which of the following is the best definition of a mole?

Discussion

9845.	How can we calculate the weight of an ion of Oxygen gas?
Answer» How can we calculate the weight of an ion of Oxygen gas?

9845.

How can we calculate the weight of an ion of Oxygen gas?

Answer»

How can we calculate the weight of an ion

of Oxygen gas?

Discussion

9846.	How do we know the valency of a polyatomic ion? Such as hydroxide and many others.
Answer» How do we know the valency of a polyatomic ion? Such as hydroxide and many others.

Discussion

9847.	If we will separate a mixture of kerosene and petrol by the method distillation. Why don't petrol or kerosene will catch fire?
Answer» If we will separate a mixture of kerosene and petrol by the method distillation. Why don't petrol or kerosene will catch fire?

Discussion

9848.	Boiling is a bulk phenomenon. Comment
Answer» Boiling is a bulk phenomenon. Comment

Discussion

9849.	How the acetone is liquid at 20°C?
Answer» How the acetone is liquid at 20°C?

Discussion

9850.	Why is smell of a perfume not considered as a matter?
Answer» Why is smell of a perfume not considered as a matter?

Discussion

Explore topic-wise InterviewSolutions in .

What is sublimation

Arrange the following items on the basis of rate of diffusion in ascending order:

A molecule should:

___ is the method which is suited for the separation of a mixture of acetone and water.

What is dispersing phase and dispersing medium during rains

Difference Between Fe3 and Fe 2

What are the factors of sublimation?

Match the column I and column II COLUMN ICOLUMN II1. Isobar(i) Becquerel2. M-shell(ii)K1019,Ar40183. Radioactivity(iii)18

What if we mix 1 litre of milk with one litre of water .Here in this case both of the two quantities are in equal amount then which one would be the solute and which one would be the solvent?

How many ions are present in 5.85 gram of sodium chloride?

What will be the electric charge of an atom if there are protons, neurons, electron?

Solids have a definite shape but not liquids. Why?

Which among the given salts is used as a fungicide?

Analyze the given reaction below: 2H2O2MnO2→2H2O+O2 Which component will be left after the completion of the reaction?

When we compress a liquid then it changes into which state ?

The rate constant of the reaction A→B is 0.6×10−3 mole per second. If the concentration of B after 20 min is:

Analyze the diagram below: The rate of the reaction in a test tube B is greater than the rate of the reaction in a test tube A. Which of the following factor could probably be the main reason for this?

Compounds in which the shared pair of electrons is unequally shared between the reacting atoms are called a___ compound.

34 g of H2O decomposes to _______ g of hydrogen and ____ g of oxygen.

Discuss the method of separating a mixture containing chalk powder, iron filings and naphthalene.

If by Neil's Bohr formula the no. Of electrons is 2n^2 . And if 3rd shell contains 18 electrons . Why did he said that the outermost shell can maximum hold 8 shells?

Which of the following sets of elements do not belong to the same group?

The pressure exerted by the gas is because of:

xKMnO4+yK2C2O4+zH2SO4⟶aMnO4+bCO2+6K2SO4+8H2O Here x,y,z, a and b are respectively

Which of the following substances will release H+ ions when dissolved in water?

What is definition of mixture

Name the gas produced when decomposition of biomass is done?

What are the differences between sodium atom and sodium ion?

A hydrocarbon with 6-carbons in the skeletal can be named using which root word?

Which of the following is a non metal that remains liquid at room temperature?

Which among the following has more P atoms P4 or 4P? __

The number of moles of oxygen atoms in two moles of nitric acid is:

Dissociation of hydrogen chloride into hydrogen and chlorine occur at temperatures

Consider the statements for preparation of nitric acid. i)Conc.H2SO4 is non-volatile. ii)Produce volatile nitric acid.

In which case the thermal conductivity increases from left to right

The atomic numbers of Si, Mg, and S respectively are:

State your observations when (a) Washing soda crystals (b) Iron (III) chloride salts are exposed to atmosphere.

You are given a mixture of water, groundnut oil and common salt. How will you separate groundnut oil and common salt from it?

Write balance equations when the following compounds are heated- 1-Mercuric carbonate 2-Ferric Hydroxide

If is found, on heating a gas, its volume increase by 50% and pressure decreases to 60% of its original value. If the original temperature was−15∘C, find the temperature to which is was heated?

By looking at a Chemical equation, which of these is not evident right away?

Latent heat of evaporation of two liquids A and B is 100 J/Kg and 150 J/Kg respectively. Which can produce more cooling effect and why?

Which of the following is the best definition of a mole?

How can we calculate the weight of an ion ​​​​​ of Oxygen gas?

How do we know the valency of a polyatomic ion? Such as hydroxide and many others.

If we will separate a mixture of kerosene and petrol by the method distillation. Why don't petrol or kerosene will catch fire?

Boiling is a bulk phenomenon. Comment

How the acetone is liquid at 20°C?

Why is smell of a perfume not considered as a matter?

34 g of H2O decomposes to ___ g of hydrogen and g of oxygen.

How can we calculate the weight of an ion of Oxygen gas?