3275 + Interview Questions in Chemistry

1.	Cotton is obtained from ______ of cotton plants.
Answer» Cotton is obtained from ______ of cotton plants.

Discussion

2.	Does chalk powder float on water?
Answer» Does chalk powder float on water?

Discussion

3.	Is gun powder a homogeneous or a heterogeneous mixture? Explain.
Answer» Is gun powder a homogeneous or a heterogeneous mixture? Explain.

Discussion

4.	Madhu thought of checking his son's learning.Therefore, she asked him to match the following:
Answer» Madhu thought of checking his son's learning.Therefore, she asked him to match the following:

4.

Madhu thought of checking his son's learning.Therefore, she asked him to match the following:

Answer»

Madhu thought of checking his son's learning.Therefore, she asked him to match the following:

Discussion

5.	Match the following: ObjectsEnergy Conversions1) Bicyclea) Sun's energy to electrical energy2) Engineb) Muscular energy to mechanical energy3) Wind turbinec) Heat energy to mechanical energy4) Solar paneld)Wind energy to electrical energy
Answer» Match the following: $\begin{matrix} Objects & Energy Conversions 1) Bicycle & a) Sun's energy to electrical energy 2) Engine & b) Muscular energy to mechanical energy 3) Wind turbine & c) Heat energy to mechanical energy 4) Solar panel & d)Wind energy to electrical energy \end{matrix}$

Discussion

6.	Aristotle then moved forward with the concept and told class that all the changes that are not reversible change are irreversible change. So which of the following statements define irreversible change?
Answer» Aristotle then moved forward with the concept and told class that all the changes that are not reversible change are irreversible change. So which of the following statements define irreversible change?

Discussion

7.	Which of the following is not a property of sandy soil?
Answer» Which of the following is not a property of sandy soil?

Discussion

8.	When we heat sea water collected in shallow pits, salt is left behind. Name the process responsible for this?
Answer» When we heat sea water collected in shallow pits, salt is left behind. Name the process responsible for this?

Discussion

9.	Which fabric traps most of the air
Answer» Which fabric traps most of the air

Discussion

10.	Question 2 (c) State for the following whether it is due to evaporation or condensation: Fog appearing on a cold winter morning.
Answer» Question 2 (c) State for the following whether it is due to evaporation or condensation: Fog appearing on a cold winter morning.

10.

Question 2 (c) State for the following whether it is due to evaporation or condensation: Fog appearing on a cold winter morning.

Answer»

Question 2 (c)

State for the following whether it is due to evaporation or condensation:
Fog appearing on a cold winter morning.

Discussion

11.	WHO SHOULD I UNDERSTAND THE TEACHER OR YOURS ?
Answer» WHO SHOULD I UNDERSTAND THE TEACHER OR YOURS ?

Discussion

12.	Identify the weft thread from the following image.
Answer» Identify the weft thread from the following image.

Discussion

13.	Which of the following factors are essential for a fire to ignite?
Answer» Which of the following factors are essential for a fire to ignite?

Discussion

14.	Which of the following is/are animal fibers?
Answer» Which of the following is/are animal fibers?

Discussion

15.	You are lost in an ocean. So ironically water is everywhere but not a drop to drink.What will you do?
Answer» You are lost in an ocean. So ironically water is everywhere but not a drop to drink.What will you do?

Discussion

16.	What is air pollution? List some of its effects. [5 MARKS]
Answer» What is air pollution? List some of its effects. [5 MARKS]

Discussion

17.	In summers we have observed that it becomes difficult to close and open an iron door. Which of the given conclusion is incorrect?
Answer» In summers we have observed that it becomes difficult to close and open an iron door. Which of the given conclusion is incorrect?

Discussion

18.	What is observed when a bottle containing cold drink is opened? Give reason. [3 MARKS]
Answer» What is observed when a bottle containing cold drink is opened? Give reason. [3 MARKS]

Discussion

19.	Which of the following change(s) takes place when a paper is folded into a paper plane.
Answer» Which of the following change(s) takes place when a paper is folded into a paper plane.

Discussion

20.	Which of the following form(s) of energy is/are released when a cracker is ignited?
Answer» Which of the following form(s) of energy is/are released when a cracker is ignited?

Discussion

21.	What is saturated, unsaturated and super saturated solution?
Answer» What is saturated, unsaturated and super saturated solution?

Discussion

22.	A shirt can be made from which of the following fabric?
Answer» A shirt can be made from which of the following fabric?

Discussion

23.	What do we understand by plasticity of metals?
Answer» What do we understand by plasticity of metals?

Discussion

24.	Difference between heating and burning and melting of wax
Answer» Difference between heating and burning and melting of wax

Discussion

25.	Question 16 How do the areas covered with concrete affect the availability fo groundwater?
Answer» Question 16 How do the areas covered with concrete affect the availability fo groundwater?

25.

Question 16 How do the areas covered with concrete affect the availability fo groundwater?

Answer»

Question 16

How do the areas covered with concrete affect the availability fo groundwater?

Discussion

26.	Question 2 (a)State whether the following statement is true or false:Yarn is made from fibres.
Answer» Question 2 (a) State whether the following statement is true or false: Yarn is made from fibres.

26.

Question 2 (a)State whether the following statement is true or false:Yarn is made from fibres.

Answer»

Question 2 (a)

State whether the following statement is true or false:
Yarn is made from fibres.

Discussion

27.	A larger amount of sugar can be dissolved in a saturated solution by:
Answer» A larger amount of sugar can be dissolved in a saturated solution by:

Discussion

28.	Sam and John found it interesting to discuss about air. Sam further stated that air is one of the most important things that is required for the existence of life on earth as air is needed for respiration. John was not in agreement with Sam on this statement and argued that the organisms that are found in rivers, oceans and other water bodies do not have access to air but still they continue to live. Which of the following can be an explanation for John's query?
Answer» Sam and John found it interesting to discuss about air. Sam further stated that air is one of the most important things that is required for the existence of life on earth as air is needed for respiration. John was not in agreement with Sam on this statement and argued that the organisms that are found in rivers, oceans and other water bodies do not have access to air but still they continue to live. Which of the following can be an explanation for John's query?

28.

Sam and John found it interesting to discuss about air. Sam further stated that air is one of the most important things that is required for the existence of life on earth as air is needed for respiration. John was not in agreement with Sam on this statement and argued that the organisms that are found in rivers, oceans and other water bodies do not have access to air but still they continue to live. Which of the following can be an explanation for John's query?

Answer»

Sam and John found it interesting to discuss about air. Sam further stated that air is one of the most important things that is required for the existence of life on earth as air is needed for respiration. John was not in agreement with Sam on this statement and argued that the organisms that are found in rivers, oceans and other water bodies do not have access to air but still they continue to live.

Which of the following can be an explanation for John's query?

Discussion

29.	How can the solubility of any substance like water increase with heat?
Answer» How can the solubility of any substance like water increase with heat?

Discussion

30.	What did the children break while playing a game of cricket?
Answer» What did the children break while playing a game of cricket?

Discussion

31.	What exactly results, once the foliation of metamorphic rock has taken place?
Answer» What exactly results, once the foliation of metamorphic rock has taken place?

Discussion

32.	pH of Ba(OH)2 solution is 12. Its solubility product is
Answer» pH of $B a (O H)_{2}$ solution is 12. Its solubility product is

Discussion

33.	Which of the following is made of more than one material?
Answer» Which of the following is made of more than one material?

Discussion

34.	The process of applying a protective coating of zinc on iron or steel to prevent them from rusting is called ___.
Answer» The process of applying a protective coating of zinc on iron or steel to prevent them from rusting is called ___.

Discussion

35.	Before Sam explained John the reason for the transparency of air, he asked him about the kind of objects/materials that are transparent? Which of the following may be a plausible reply to the question?
Answer» Before Sam explained John the reason for the transparency of air, he asked him about the kind of objects/materials that are transparent? Which of the following may be a plausible reply to the question?

Discussion

36.	Which of the following are sources of air pollution? A. Vehicles B. Dams C. Oil refineries D. Mining industries
Answer» Which of the following are sources of air pollution? A. Vehicles B. Dams C. Oil refineries D. Mining industries

36.

Which of the following are sources of air pollution? A. Vehicles B. Dams C. Oil refineries D. Mining industries

Answer»

Which of the following are sources of air pollution?

A. Vehicles
B. Dams
C. Oil refineries
D. Mining industries

Discussion

37.	Which of the following is not an example of synthetic fibres?
Answer» Which of the following is not an example of synthetic fibres?

Discussion

38.	In an exam, a teacher asked students to give an example of a change which is a physical as well as a chemical change? Which one of the following examples is correct?
Answer» In an exam, a teacher asked students to give an example of a change which is a physical as well as a chemical change? Which one of the following examples is correct?

38.

In an exam, a teacher asked students to give an example of a change which is a physical as well as a chemical change? Which one of the following examples is correct?

Answer»

In an exam, a teacher asked students to give an example of a change which is a physical as well as a chemical change? Which one of the following examples is correct?

Discussion

39.	Why are metals good conductors of electricity? Give examples of various metals that are used in electric circuits. [2 MARKS]
Answer» Why are metals good conductors of electricity? Give examples of various metals that are used in electric circuits. [2 MARKS]

Discussion

40.	Is distilled water a conductor of electricity? Give reasons for your answer. How can we make it a conductor? [5 MARKS]
Answer» Is distilled water a conductor of electricity? Give reasons for your answer. How can we make it a conductor? [5 MARKS]

Discussion

41.	The temporary hardness of water is due to the presence of ___ .
Answer» The temporary hardness of water is due to the presence of ___ .

Discussion

42.	In which of the following processes do plants require carbon dioxide?
Answer» In which of the following processes do plants require carbon dioxide?

Discussion

43.	Which of the following are true regarding CO2? a. Excess of CO2 acts as a pollutant. b. Plants take in CO2 for photosynthesis. c. Deforestation leads to a decrease in the amount of CO2 in the air. d. Less quantity of CO2 causes a rise in temperature.
Answer» Which of the following are true regarding $C O_{2}$ ? a. Excess of $C O_{2}$ acts as a pollutant. b. Plants take in $C O_{2}$ for photosynthesis. c. Deforestation leads to a decrease in the amount of $C O_{2}$ in the air. d. Less quantity of $C O_{2}$ causes a rise in temperature.

43.

Which of the following are true regarding CO2? a. Excess of CO2 acts as a pollutant. b. Plants take in CO2 for photosynthesis. c. Deforestation leads to a decrease in the amount of CO2 in the air. d. Less quantity of CO2 causes a rise in temperature.

Answer»

Which of the following are true regarding $C O_{2}$ ?

a. Excess of $C O_{2}$ acts as a pollutant.

b. Plants take in $C O_{2}$ for photosynthesis.

c. Deforestation leads to a decrease in the amount of $C O_{2}$ in the air.

d. Less quantity of $C O_{2}$ causes a rise in temperature.

Discussion

44.	Air is a heterogeneous mixture or homogeneous mixture.
Answer» Air is a heterogeneous mixture or homogeneous mixture.

Discussion

45.	Statement 1: A strong horizontal wind cannot lift off a tin roof. Statement 2: Bernoulli's Principle relates pressure and velocity of a fluid.
Answer» Statement 1: A strong horizontal wind cannot lift off a tin roof. Statement 2: Bernoulli's Principle relates pressure and velocity of a fluid.

Discussion

46.	What do we understand by the term water table?
Answer» What do we understand by the term water table?

Discussion

47.	The ozone layer protects us from harmful _______ rays of the sun.
Answer» The ozone layer protects us from harmful _______ rays of the sun.

Discussion

48.	is cutting of paper reversible or irreversible
Answer» is cutting of paper reversible or irreversible

Discussion

49.	what is distilation
Answer» what is distilation

Discussion

50.	Question 16 A potter working on his wheel shaped a lump of clay into a pot. He then baked the pot in an oven. Do these two acts lead to the same kind of changes or different? Give your opinion and justify your answer.
Answer» Question 16 A potter working on his wheel shaped a lump of clay into a pot. He then baked the pot in an oven. Do these two acts lead to the same kind of changes or different? Give your opinion and justify your answer.

50.

Question 16 A potter working on his wheel shaped a lump of clay into a pot. He then baked the pot in an oven. Do these two acts lead to the same kind of changes or different? Give your opinion and justify your answer.

Answer»

Question 16

A potter working on his wheel shaped a lump of clay into a pot. He then baked the pot in an oven. Do these two acts lead to the same kind of changes or different? Give your opinion and justify your answer.

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Cotton is obtained from ______ of cotton plants.

Does chalk powder float on water?

Is gun powder a homogeneous or a heterogeneous mixture? Explain.

Madhu thought of checking his son's learning.Therefore, she asked him to match the following:

Match the following: ObjectsEnergy Conversions1) Bicyclea) Sun's energy to electrical energy2) Engineb) Muscular energy to mechanical energy3) Wind turbinec) Heat energy to mechanical energy4) Solar paneld)Wind energy to electrical energy

Aristotle then moved forward with the concept and told class that all the changes that are not reversible change are irreversible change. So which of the following statements define irreversible change?

Which of the following is not a property of sandy soil?

When we heat sea water collected in shallow pits, salt is left behind. Name the process responsible for this?

Which fabric traps most of the air

Question 2 (c) State for the following whether it is due to evaporation or condensation: Fog appearing on a cold winter morning.

WHO SHOULD I UNDERSTAND THE TEACHER OR YOURS ?

Identify the weft thread from the following image.

Which of the following factors are essential for a fire to ignite?

Which of the following is/are animal fibers?

You are lost in an ocean. So ironically water is everywhere but not a drop to drink.What will you do?

What is air pollution? List some of its effects. [5 MARKS]

In summers we have observed that it becomes difficult to close and open an iron door. Which of the given conclusion is incorrect?

What is observed when a bottle containing cold drink is opened? Give reason. [3 MARKS]

Which of the following change(s) takes place when a paper is folded into a paper plane.

Which of the following form(s) of energy is/are released when a cracker is ignited?

What is saturated, unsaturated and super saturated solution?

A shirt can be made from which of the following fabric?

What do we understand by plasticity of metals?

Difference between heating and burning and melting of wax

Question 16 How do the areas covered with concrete affect the availability fo groundwater?

Question 2 (a)State whether the following statement is true or false:Yarn is made from fibres.

A larger amount of sugar can be dissolved in a saturated solution by:

How can the solubility of any substance like water increase with heat?

What did the children break while playing a game of cricket?

What exactly results, once the foliation of metamorphic rock has taken place?

pH of Ba(OH)2 solution is 12. Its solubility product is

Which of the following is made of more than one material?

The process of applying a protective coating of zinc on iron or steel to prevent them from rusting is called ___.

Before Sam explained John the reason for the transparency of air, he asked him about the kind of objects/materials that are transparent? Which of the following may be a plausible reply to the question?

Which of the following are sources of air pollution? A. Vehicles B. Dams C. Oil refineries D. Mining industries

Which of the following is not an example of synthetic fibres?

In an exam, a teacher asked students to give an example of a change which is a physical as well as a chemical change? Which one of the following examples is correct?

Why are metals good conductors of electricity? Give examples of various metals that are used in electric circuits. [2 MARKS]

Is distilled water a conductor of electricity? Give reasons for your answer. How can we make it a conductor? [5 MARKS]

The temporary hardness of water is due to the presence of ___ .

In which of the following processes do plants require carbon dioxide?

Which of the following are true regarding CO2? a. Excess of CO2 acts as a pollutant. b. Plants take in CO2 for photosynthesis. c. Deforestation leads to a decrease in the amount of CO2 in the air. d. Less quantity of CO2 causes a rise in temperature.

Air is a heterogeneous mixture or homogeneous mixture.

Statement 1: A strong horizontal wind cannot lift off a tin roof. Statement 2: Bernoulli's Principle relates pressure and velocity of a fluid.

What do we understand by the term water table?

The ozone layer protects us from harmful _______ rays of the sun.

is cutting of paper reversible or irreversible

what is distilation

Question 16 A potter working on his wheel shaped a lump of clay into a pot. He then baked the pot in an oven. Do these two acts lead to the same kind of changes or different? Give your opinion and justify your answer.