7248 + Interview Questions in Chemistry

1.	Among all the gases present in the air, which is most important and critical for our survival?
Answer» Among all the gases present in the air, which is most important and critical for our survival?

Discussion

2.	When metal oxides react with water _ is produced.
Answer» When metal oxides react with water _ is produced.

Discussion

3.	Bakelite is:
Answer» Bakelite is:

Discussion

4.	What is that metallic property due to which metal bells work?
Answer» What is that metallic property due to which metal bells work?

Discussion

5.	How do metal oxides differ from non-metal oxides ?
Answer» How do metal oxides differ from non-metal oxides ?

Discussion

6.	How can the energy in fossil fuels be said to have come from sun?
Answer» How can the energy in fossil fuels be said to have come from sun?

Discussion

7.	Which of the following salts are not hydrated salts?
Answer» Which of the following salts are not hydrated salts?

Discussion

8.	Which of the following is a colourless gas having a choking smell of gun powder?
Answer» Which of the following is a colourless gas having a choking smell of gun powder?

Discussion

9.	Water contamination leads to death of aquatic species because:
Answer» Water contamination leads to death of aquatic species because:

Discussion

10.	Why there are two compressors in Ostwald process of preparation of HNO3 ? State the use of each.
Answer» Why there are two compressors in Ostwald process of preparation of HNO₃ ? State the use of each.

Discussion

11.	Q76. Consider the following pairs: Type of Colloid Example 1. Aerosol Fog 2. Emulsion Milk 3. Gel Butter 4. Foam Sponge Which of the pairs given above is/are correctly matched?
Answer» Q76. Consider the following pairs: Type of Colloid Example 1. Aerosol Fog 2. Emulsion Milk 3. Gel Butter 4. Foam Sponge Which of the pairs given above is/are correctly matched?

11.

Q76. Consider the following pairs: Type of Colloid Example 1. Aerosol Fog 2. Emulsion Milk 3. Gel Butter 4. Foam Sponge Which of the pairs given above is/are correctly matched?

Answer»

Q76. Consider the following pairs:

Type of Colloid Example

1. Aerosol Fog

2. Emulsion Milk

3. Gel Butter

4. Foam Sponge

Which of the pairs given above is/are correctly matched?

Discussion

12.	(5^-1×3^-1)divided by 6^-1
Answer» (5^-1×3^-1)divided by 6^-1

Discussion

13.	Which of the following falls in the area represented by the question mark?
Answer» Which of the following falls in the area represented by the question mark?

13.

Which of the following falls in the area represented by the question mark?

Answer»

Which of the following falls in the area represented by the question mark?

Discussion

14.	Carbon is an example of:
Answer» Carbon is an example of:

14.

Carbon is an example of:

Answer»

Carbon is an example of:

Discussion

15.	Which of the following statements is correct?
Answer» Which of the following statements is correct?

Discussion

16.	Relate symbols used in Chemical reaction to their physical states. Physical StateSymbolGas(A)(dw)Solid(B)(g)Liquid(C)(aq)Dissolved in water(solution with water)(D)(l)(E)(s)(F)(v)
Answer» Relate symbols used in Chemical reaction to their physical states. $\begin{matrix} P h y s i c a l S t a t e & S y m b o l G a s & (A) & (d w) S o l i d & (B) & (g) L i q u i d & (C) & (a q) D i s s o l v e d i n w a t e r (s o l u t i o n w i t h w a t e r) & (D) & (l) (E) & (s) (F) & (v) \end{matrix}$

Discussion

17.	Which state of matter has a maximum inter-molecular force?
Answer» Which state of matter has a maximum inter-molecular force?

Discussion

18.	Mention some measures that can be taken by you to reduce vehicular air pollution.
Answer» Mention some measures that can be taken by you to reduce vehicular air pollution.

Discussion

19.	The acid rain that corrodes taj mahal contains what ?
Answer» The acid rain that corrodes taj mahal contains what ?

Discussion

20.	Explain why plastic containers are used to store many chemicals? [1 MARK]
Answer» Explain why plastic containers are used to store many chemicals? [1 MARK]

Discussion

21.	Gases can be compressed:
Answer» Gases can be compressed:

Discussion

22.	Which zone is very hot, with a blue flame and oxidises the fuel completely?
Answer» Which zone is very hot, with a blue flame and oxidises the fuel completely?

Discussion

23.	What is refining?
Answer» What is refining?

Discussion

24.	Consider the following statements. Which of the following is/are incorrect? Code :
Answer» Consider the following statements. Which of the following is/are incorrect? Code :

24.

Consider the following statements. Which of the following is/are incorrect? Code :

Answer»

Consider the following statements. Which of the following is/are incorrect?

Code :

Discussion

25.	What is the colour of precipitate formed when lead nitrate reacts with potassium iodide?
Answer» What is the colour of precipitate formed when lead nitrate reacts with potassium iodide?

Discussion

26.	Classify bases on the basis of their strength. [3 MARKS]
Answer» Classify bases on the basis of their strength. [3 MARKS]

Discussion

27.	Solutions with low concentrations of solutes are ___ solutions.
Answer» Solutions with low concentrations of solutes are ___ solutions.

Discussion

28.	Name any five substances used in everyday life which are manufactured starting from the products of coal tar.
Answer» Name any five substances used in everyday life which are manufactured starting from the products of coal tar.

Discussion

29.	Define : (a) Radical (b) Valency (c) Molecular formula.
Answer» Define : (a) Radical (b) Valency (c) Molecular formula.

29.

Define : (a) Radical (b) Valency (c) Molecular formula.

Answer»

Define :

(a) Radical (b) Valency

(c) Molecular formula.

Discussion

30.	Who among the following established the law of constant proportions?
Answer» Who among the following established the law of constant proportions?

Discussion

31.	What are the merits of Dalton’s atomic theory?
Answer» What are the merits of Dalton’s atomic theory?

Discussion

32.	Write any two chemical properties of acids. [3 MARKS]
Answer» Write any two chemical properties of acids. [3 MARKS]

Discussion

33.	The gravitational potential energy stored in a box of weight 150kgf is 1.5*10000J . Find the height of the box. Take 1kgf=10N
Answer» The gravitational potential energy stored in a box of weight 150kgf is 1.5*10000J . Find the height of the box. Take 1kgf=10N

Discussion

34.	Aerobic respiration in humans is the example of an ___ reaction.
Answer» Aerobic respiration in humans is the example of an ___ reaction.

Discussion

35.	A contaminant is a/an:
Answer» A contaminant is a/an:

Discussion

36.	Choose the correct order for the sequence. The cotton jogging blue comfortable pants
Answer» Choose the correct order for the sequence. The cotton jogging blue comfortable pants

36.

Choose the correct order for the sequence. The cotton jogging blue comfortable pants

Answer»

Choose the correct order for the sequence.

The cotton jogging blue comfortable pants

Discussion

37.	(a) What are combustible substances ? Name three combustible substances. (b) What are non-combustible substances ? Name three non-combustible substances.
Answer» (a) What are combustible substances ? Name three combustible substances. (b) What are non-combustible substances ? Name three non-combustible substances.

37.

(a) What are combustible substances ? Name three combustible substances. (b) What are non-combustible substances ? Name three non-combustible substances.

Answer»

(a) What are combustible substances ? Name three combustible substances.

(b) What are non-combustible substances ? Name three non-combustible substances.

Discussion

38.	Guinness record for the deepest root
Answer» Guinness record for the deepest root

Discussion

39.	The element with atomic number 16 belongs to which of the following blocks?
Answer» The element with atomic number 16 belongs to which of the following blocks?

Discussion

40.	What is incorrect about the Law of conservation of mass?
Answer» What is incorrect about the Law of conservation of mass?

Discussion

41.	The number of electrons lost by Al atom to complete it's octet is equal to which elements atomic number?
Answer» The number of electrons lost by Al atom to complete it's octet is equal to which elements atomic number?

Discussion

42.	The fibres obtained from animals are made up of:
Answer» The fibres obtained from animals are made up of:

Discussion

43.	Write a short note on: [2 MARKS] (i) Ductility (ii) Lustre
Answer» Write a short note on: [2 MARKS] (i) Ductility (ii) Lustre

Discussion

44.	Which metals can’t displace hydrogen from an acid and why? [3 MARKS]
Answer» Which metals can’t displace hydrogen from an acid and why? [3 MARKS]

Discussion

45.	Name the five states of matter. How is Plasma different from the Bose-Einstein condensate? [3 MARKS]
Answer» Name the five states of matter. How is Plasma different from the Bose-Einstein condensate? [3 MARKS]

Discussion

46.	Which of the following properties aid catenation in carbon?
Answer» Which of the following properties aid catenation in carbon?

Discussion

47.	Why are thermoplastics not used for making frying pan handles ?
Answer» Why are thermoplastics not used for making frying pan handles ?

Discussion

48.	Which of the two is a thermosetting plastic : PVC or bakelite ?
Answer» Which of the two is a thermosetting plastic : PVC or bakelite ?

Discussion

49.	What is the difference between CNG and cooking gas?
Answer» What is the difference between CNG and cooking gas?

Discussion

50.	Evaporation is a surface phenomenon explain this in terms of the kinetic theory
Answer» Evaporation is a surface phenomenon explain this in terms of the kinetic theory

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Among all the gases present in the air, which is most important and critical for our survival?

When metal oxides react with water _ is produced.

Bakelite is:

What is that metallic property due to which metal bells work?

How do metal oxides differ from non-metal oxides ?

How can the energy in fossil fuels be said to have come from sun?

Which of the following salts are not hydrated salts?

Which of the following is a colourless gas having a choking smell of gun powder?

Water contamination leads to death of aquatic species because:

Why there are two compressors in Ostwald process of preparation of HNO​​​3 ? State the use of each.

Q76. Consider the following pairs: Type of Colloid Example 1. Aerosol Fog 2. Emulsion Milk 3. Gel Butter 4. Foam Sponge Which of the pairs given above is/are correctly matched?

(5^-1×3^-1)divided by 6^-1

Which of the following falls in the area represented by the question mark?

Carbon is an example of:

Which of the following statements is correct?

Relate symbols used in Chemical reaction to their physical states. Physical StateSymbolGas(A)(dw)Solid(B)(g)Liquid(C)(aq)Dissolved in water(solution with water)(D)(l)(E)(s)(F)(v)

Which state of matter has a maximum inter-molecular force?

Mention some measures that can be taken by you to reduce vehicular air pollution.

The acid rain that corrodes taj mahal contains what ?

Explain why plastic containers are used to store many chemicals? [1 MARK]

Gases can be compressed:

Which zone is very hot, with a blue flame and oxidises the fuel completely?

What is refining?

Consider the following statements. Which of the following is/are incorrect? Code :

What is the colour of precipitate formed when lead nitrate reacts with potassium iodide?

Classify bases on the basis of their strength. [3 MARKS]

Solutions with low concentrations of solutes are ___ solutions.

Name any five substances used in everyday life which are manufactured starting from the products of coal tar.

Define : (a) Radical (b) Valency (c) Molecular formula.

Who among the following established the law of constant proportions?

What are the merits of Dalton’s atomic theory?

Write any two chemical properties of acids. [3 MARKS]

The gravitational potential energy stored in a box of weight 150kgf is 1.5*10000J . Find the height of the box. Take 1kgf=10N

Aerobic respiration in humans is the example of an ___ reaction.

A contaminant is a/an:

Choose the correct order for the sequence. The cotton jogging blue comfortable pants

(a) What are combustible substances ? Name three combustible substances. (b) What are non-combustible substances ? Name three non-combustible substances.

Guinness record for the deepest root

The element with atomic number 16 belongs to which of the following blocks?

What is incorrect about the Law of conservation of mass?

The number of electrons lost by Al atom to complete it's octet is equal to which elements atomic number?

The fibres obtained from animals are made up of:

Write a short note on: [2 MARKS] (i) Ductility (ii) Lustre

Which metals can’t displace hydrogen from an acid and why? [3 MARKS]

Name the five states of matter. How is Plasma different from the Bose-Einstein condensate? [3 MARKS]

Which of the following properties aid catenation in carbon?

Why are thermoplastics not used for making frying pan handles ?

Which of the two is a thermosetting plastic : PVC or bakelite ?

What is the difference between CNG and cooking gas?

Evaporation is a surface phenomenon explain this in terms of the kinetic theory

Why there are two compressors in Ostwald process of preparation of HNO3 ? State the use of each.