5083 + Interview Questions in Chemistry

1.	The standard unit of force is ___.
Answer» The standard unit of force is ___.

Discussion

2.	Explain the process of neutralization reaction with the help of an example? [5 MARKS]
Answer» Explain the process of neutralization reaction with the help of an example? [5 MARKS]

Discussion

3.	Question 23 Explain the phrase - “Unity is Strength” on the basis of the making of fabric from fibre
Answer» Question 23 Explain the phrase - “Unity is Strength” on the basis of the making of fabric from fibre

3.

Question 23 Explain the phrase - “Unity is Strength” on the basis of the making of fabric from fibre

Answer»

Question 23

Explain the phrase - “Unity is Strength” on the basis of the making of fabric from fibre

Discussion

4.	Among the given four bases, which one is considered as the weakest base?
Answer» Among the given four bases, which one is considered as the weakest base?

Discussion

5.	Give reason why - a) Solids have a definite volume and a definite shape b) Liquids have a definite volume but no definite shape. C) Gases have no definite volume and no definite shape.
Answer» Give reason why - a) Solids have a definite volume and a definite shape b) Liquids have a definite volume but no definite shape. C) Gases have no definite volume and no definite shape.

5.

Give reason why - a) Solids have a definite volume and a definite shape b) Liquids have a definite volume but no definite shape. C) Gases have no definite volume and no definite shape.

Answer»

Give reason why -

a) Solids have a definite volume and a definite shape

b) Liquids have a definite volume but no definite shape.

C) Gases have no definite volume and no definite shape.

Discussion

6.	How do the silk farmers know that when to boil the cocoons and when to get the silk thread off
Answer» How do the silk farmers know that when to boil the cocoons and when to get the silk thread off

Discussion

7.	Question 1 (a)You must be familiar with the following nursery rhymes:(i) ‘Baa baa black sheep, have you any wool.’(ii) ‘Mary had a little lamb, whose fleece was white as snowAnswer the following:(a) Which parts of the black sheep have wool?
Answer» Question 1 (a) You must be familiar with the following nursery rhymes: (i) ‘Baa baa black sheep, have you any wool.’ (ii) ‘Mary had a little lamb, whose fleece was white as snow Answer the following: (a) Which parts of the black sheep have wool?

7.

Question 1 (a)You must be familiar with the following nursery rhymes:(i) ‘Baa baa black sheep, have you any wool.’(ii) ‘Mary had a little lamb, whose fleece was white as snowAnswer the following:(a) Which parts of the black sheep have wool?

Answer»

Question 1 (a)
You must be familiar with the following nursery rhymes:
(i) ‘Baa baa black sheep, have you any wool.’
(ii) ‘Mary had a little lamb, whose fleece was white as snow

Answer the following:
(a) Which parts of the black sheep have wool?

Discussion

8.	For any cleaning agent or sanitiser, apart from the chemical quality what more is important for the chemical to have total impact?
Answer» For any cleaning agent or sanitiser, apart from the chemical quality what more is important for the chemical to have total impact?

Discussion

9.	Apart from carbon, hydrogen and oxygen, our body needs___also.
Answer» Apart from carbon, hydrogen and oxygen, our body needs___also.

Discussion

10.	Question 11 (a) Fill in the blanks in the following statements. (a) ___ and ___ Fibres are obtained from animals
Answer» Question 11 (a) Fill in the blanks in the following statements. (a) ___ and ___ Fibres are obtained from animals

10.

Question 11 (a) Fill in the blanks in the following statements. (a) _ and _ Fibres are obtained from animals

Answer»

Question 11 (a)

Fill in the blanks in the following statements.
(a) ___ and ___ Fibres are obtained from animals

Discussion

11.	Cream from the milk is separated by centrifugation because:
Answer» Cream from the milk is separated by centrifugation because:

Discussion

12.	Barium chloride on reacting with ammonium sulfate forms barium sulfate and ammonium chloride. Which of the following correctly represents the type of the reaction involved?
Answer» Barium chloride on reacting with ammonium sulfate forms barium sulfate and ammonium chloride. Which of the following correctly represents the type of the reaction involved?

Discussion

13.	If excess of Zn is added to 1.0M solution of CuSO4, fint the concentration of Cu2+ ions at equilibrium. Given: E0(Zn2+\|Zn)=−0.76V,E0(Cu2+Cu)=−0.34V
Answer» If excess of $Z n$ is added to $1.0 M$ solution of $C u S O_{4}$ , fint the concentration of $C u^{2 +}$ ions at equilibrium. Given: $E_{(Z n^{2 +} \| Z n)}^{0} = - 0.76 V, E_{(C u^{2 +} C u)}^{0} = - 0.34 V$

Discussion

14.	What is the full form of ORS? What is it used for? [2 MARKS]
Answer» What is the full form of ORS? What is it used for? [2 MARKS]

Discussion

15.	Treatment of Lichens with ______ in presence of air produces various coloured components of Litmus.
Answer» Treatment of Lichens with ______ in presence of air produces various coloured components of Litmus.

Discussion

16.	Raj's mother served him Horlicks with milk. But there were some particles of Horlicks left un-dissolved, and so he asked his mother to remove those particles. What method of separation should his mother use? Why? [2 MARKS]
Answer» Raj's mother served him Horlicks with milk. But there were some particles of Horlicks left un-dissolved, and so he asked his mother to remove those particles. What method of separation should his mother use? Why? [2 MARKS]

Discussion

17.	Which of the following is not an example of a physical change?
Answer» Which of the following is not an example of a physical change?

Discussion

18.	A popular metal X reacts with oxygen gas to give an amphoteric oxide. Identify the metal X. (amphoteric oxides show both acidic and basic behaviour). X+O2→Amphoteric Oxide
Answer» A popular metal X reacts with oxygen gas to give an amphoteric oxide. Identify the metal X. (amphoteric oxides show both acidic and basic behaviour). $X + O_{2} \to Amphoteric Oxide$

Discussion

19.	The properties of acrylic fibre
Answer» The properties of acrylic fibre

Discussion

20.	Explain percolation rate.
Answer» Explain percolation rate.

Discussion

21.	Which of the following are the properties of a solution? A: It is a homogeneous mixture. B: The solute particles are smaller than 1nm in diameter. C: The solute can be separated by sedimentation.
Answer» Which of the following are the properties of a solution? A: It is a homogeneous mixture. B: The solute particles are smaller than 1nm in diameter. C: The solute can be separated by sedimentation.

Discussion

22.	For the first order decomposition reaction of N2O5, it is observed that (i)N2O5(g)→2NO2(g)+12O2(g);−d[N2O5]dt=k[N2O5](ii)2N2O5(g)→4NO2(g)+O2(g);−d[N2O5]dt=k′[N2O5] Which of the following is true?
Answer» For the first order decomposition reaction of $N_{2} O_{5}$ , it is observed that $(i) N_{2} O_{5} (g) \to 2 N O_{2} (g) + \frac{1}{2} O_{2} (g); \frac{- d [N_{2} O_{5}]}{d t} = k [N_{2} O_{5}] (i i) 2 N_{2} O_{5} (g) \to 4 N O_{2} (g) + O_{2} (g); \frac{- d [N_{2} O_{5}]}{d t} = k^{'} [N_{2} O_{5}]$ Which of the following is true?

Discussion

23.	Which among the following equation gives the correct relation between resistance (R), length of conductor (L), area of the cross-section of the conductor (A) and resistivity(ρ)?
Answer» Which among the following equation gives the correct relation between resistance $(R)$ , length of conductor $(L)$ , area of the cross-section of the conductor $(A)$ and resistivity $(ρ)$ ?

Discussion

24.	We brush our teeth with toothpaste that are basic in nature. Explain why? [3 MARKS]
Answer» We brush our teeth with toothpaste that are basic in nature. Explain why? [3 MARKS]

Discussion

25.	The dissolution of sugar in water is a _________ change.
Answer» The dissolution of sugar in water is a _________ change.

Discussion

26.	is decaying matter always warm?
Answer» is decaying matter always warm?

Discussion

27.	Generally, the valency of chlorine is _______
Answer» Generally, the valency of chlorine is _______

Discussion

28.	Question 4 Open drain system is a breeding place for which of the following? (a) Flies (b) Mosquitoes (c) Organisms which cause diseases (d) All of these
Answer» Question 4 Open drain system is a breeding place for which of the following? (a) Flies (b) Mosquitoes (c) Organisms which cause diseases (d) All of these

28.

Question 4 Open drain system is a breeding place for which of the following? (a) Flies (b) Mosquitoes (c) Organisms which cause diseases (d) All of these

Answer»

Question 4

Open drain system is a breeding place for which of the following?
(a) Flies
(b) Mosquitoes
(c) Organisms which cause diseases
(d) All of these

Discussion

29.	For any chemical change, the position of equilibrium depends upon ______ of reacting mixture. Choose the most appropriate one.
Answer» For any chemical change, the position of equilibrium depends upon ______ of reacting mixture. Choose the most appropriate one.

Discussion

30.	As I saw in acid and base lesson there should be disclaimer notice on acid containers in white colour but I did not get it in lysol so why did not I get it?
Answer» As I saw in acid and base lesson there should be disclaimer notice on acid containers in white colour but I did not get it in lysol so why did not I get it?

Discussion

31.	Question 4 Is distilled water acidic, basic or neutral? How would you verify it?
Answer» Question 4 Is distilled water acidic, basic or neutral? How would you verify it?

Discussion

32.	Question 10 Two drops of dilute sulphuric acid were added to 1 g of copper sulphate powder and then small amount of hot water was added to dissolve it (step I). On cooling, beautiful blue coloured crystals got separated (step II). Step I and step II are: (a) physical and chemical changes respectively (b) chemical and physical changes respectively (c) both physical change (d) both chemical change
Answer» Question 10 Two drops of dilute sulphuric acid were added to 1 g of copper sulphate powder and then small amount of hot water was added to dissolve it (step I). On cooling, beautiful blue coloured crystals got separated (step II). Step I and step II are: (a) physical and chemical changes respectively (b) chemical and physical changes respectively (c) both physical change (d) both chemical change

32.

Question 10 Two drops of dilute sulphuric acid were added to 1 g of copper sulphate powder and then small amount of hot water was added to dissolve it (step I). On cooling, beautiful blue coloured crystals got separated (step II). Step I and step II are: (a) physical and chemical changes respectively (b) chemical and physical changes respectively (c) both physical change (d) both chemical change

Answer»

Question 10

Two drops of dilute sulphuric acid were added to 1 g of copper sulphate powder and then small amount of hot water was added to dissolve it (step I). On cooling, beautiful blue coloured crystals got separated (step II). Step I and step II are:
(a) physical and chemical changes respectively
(b) chemical and physical changes respectively
(c) both physical change
(d) both chemical change

Discussion

33.	Himanshu was suffering from acidity bout. He decided to visit a doctor for treatment. The doctor advised him to take which of the following?
Answer» Himanshu was suffering from acidity bout. He decided to visit a doctor for treatment. The doctor advised him to take which of the following?

Discussion

34.	List out the two differences between respiration and combustion.
Answer» List out the two differences between respiration and combustion.

Discussion

35.	What is the moisture present in atmosphere chemically composed of?
Answer» What is the moisture present in atmosphere chemically composed of?

Discussion

36.	How many distinct cases for the correct responses of the questions exist?
Answer» How many distinct cases for the correct responses of the questions exist?

Discussion

37.	Most common silk moth is:
Answer» Most common silk moth is:

Discussion

38.	You want to eat pop-corn. You heat corn seeds in a pan. What type of change is this?
Answer» You want to eat pop-corn. You heat corn seeds in a pan. What type of change is this?

Discussion

39.	During one of her magic tricks when Sarah rubbed the white paper with a handkerchief, blue letters appeared. Which of the following materials might have been used by her in the magic trick?
Answer» During one of her magic tricks when Sarah rubbed the white paper with a handkerchief, blue letters appeared. Which of the following materials might have been used by her in the magic trick?

Discussion

40.	Which of the following solution will turn red hibiscus paper to blue?
Answer» Which of the following solution will turn red hibiscus paper to blue?

Discussion

41.	A steel spoon having mass 200 gram has volume of 100 cc. What will be the volume of a steel glass having mass 600 gram?
Answer» A steel spoon having mass 200 gram has volume of 100 cc. What will be the volume of a steel glass having mass 600 gram?

Discussion

42.	Which of the following oxide is neutral in nature?
Answer» Which of the following oxide is neutral in nature?

Discussion

43.	What of the following indicators shows any change when distilled water is added to them?
Answer» What of the following indicators shows any change when distilled water is added to them?

Discussion

44.	The technique used to separate salt from sea water is ___
Answer» The technique used to separate salt from sea water is ___

Discussion

45.	Why is there an .x in the formula of rust
Answer» Why is there an .x in the formula of rust

Discussion

46.	solids and liquids have well defined surfaces while gases donot.why
Answer» solids and liquids have well defined surfaces while gases donot.why

Discussion

47.	Why are liquids and gases normally insulators of heat?
Answer» Why are liquids and gases normally insulators of heat?

Discussion

48.	How to find the valency of radicles
Answer» How to find the valency of radicles

Discussion

49.	Which of the following is NOT true for soil?
Answer» Which of the following is NOT true for soil?

Discussion

50.	What is the Ph of Water(H20)?
Answer» What is the Ph of Water(H₂0)?

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

The standard unit of force is ___.

Explain the process of neutralization reaction with the help of an example? [5 MARKS]

Question 23 Explain the phrase - “Unity is Strength” on the basis of the making of fabric from fibre

Among the given four bases, which one is considered as the weakest base?

Give reason why - a) Solids have a definite volume and a definite shape b) Liquids have a definite volume but no definite shape. C) Gases have no definite volume and no definite shape.

How do the silk farmers know that when to boil the cocoons and when to get the silk thread off

Question 1 (a)You must be familiar with the following nursery rhymes:(i) ‘Baa baa black sheep, have you any wool.’(ii) ‘Mary had a little lamb, whose fleece was white as snowAnswer the following:(a) Which parts of the black sheep have wool?

For any cleaning agent or sanitiser, apart from the chemical quality what more is important for the chemical to have total impact?

Apart from carbon, hydrogen and oxygen, our body needs___also.

Question 11 (a) Fill in the blanks in the following statements. (a) ___ and ___ Fibres are obtained from animals

Cream from the milk is separated by centrifugation because:

Barium chloride on reacting with ammonium sulfate forms barium sulfate and ammonium chloride. Which of the following correctly represents the type of the reaction involved?

If excess of Zn is added to 1.0M solution of CuSO4, fint the concentration of Cu2+ ions at equilibrium. Given: E0(Zn2+|Zn)=−0.76V,E0(Cu2+Cu)=−0.34V

What is the full form of ORS? What is it used for? [2 MARKS]

Treatment of Lichens with ______ in presence of air produces various coloured components of Litmus.

Raj's mother served him Horlicks with milk. But there were some particles of Horlicks left un-dissolved, and so he asked his mother to remove those particles. What method of separation should his mother use? Why? [2 MARKS]

Which of the following is not an example of a physical change?

A popular metal X reacts with oxygen gas to give an amphoteric oxide. Identify the metal X. (amphoteric oxides show both acidic and basic behaviour). X+O2→Amphoteric Oxide

The properties of acrylic fibre

Explain percolation rate.

Which of the following are the properties of a solution? A: It is a homogeneous mixture. B: The solute particles are smaller than 1nm in diameter. C: The solute can be separated by sedimentation.

For the first order decomposition reaction of N2O5, it is observed that (i)N2O5(g)→2NO2(g)+12O2(g);−d[N2O5]dt=k[N2O5](ii)2N2O5(g)→4NO2(g)+O2(g);−d[N2O5]dt=k′[N2O5] Which of the following is true?

Which among the following equation gives the correct relation between resistance (R), length of conductor (L), area of the cross-section of the conductor (A) and resistivity(ρ)?

We brush our teeth with toothpaste that are basic in nature. Explain why? [3 MARKS]

The dissolution of sugar in water is a _________ change.

is decaying matter always warm?

Generally, the valency of chlorine is _______

Question 4 Open drain system is a breeding place for which of the following? (a) Flies (b) Mosquitoes (c) Organisms which cause diseases (d) All of these

For any chemical change, the position of equilibrium depends upon ______ of reacting mixture. Choose the most appropriate one.

As I saw in acid and base lesson there should be disclaimer notice on acid containers in white colour but I did not get it in lysol so why did not I get it?

Question 4 Is distilled water acidic, basic or neutral? How would you verify it?

Himanshu was suffering from acidity bout. He decided to visit a doctor for treatment. The doctor advised him to take which of the following?

List out the two differences between respiration and combustion.

What is the moisture present in atmosphere chemically composed of?

How many distinct cases for the correct responses of the questions exist?

Most common silk moth is:

You want to eat pop-corn. You heat corn seeds in a pan. What type of change is this?

During one of her magic tricks when Sarah rubbed the white paper with a handkerchief, blue letters appeared. Which of the following materials might have been used by her in the magic trick?

Which of the following solution will turn red hibiscus paper to blue?

A steel spoon having mass 200 gram has volume of 100 cc. What will be the volume of a steel glass having mass 600 gram?

Which of the following oxide is neutral in nature?

What of the following indicators shows any change when distilled water is added to them?

The technique used to separate salt from sea water is ___

Why is there an .x in the formula of rust

solids and liquids have well defined surfaces while gases donot.why

Why are liquids and gases normally insulators of heat?

How to find the valency of radicles

Which of the following is NOT true for soil?

What is the Ph of Water(H2​​​​​​​0)?

Question 11 (a) Fill in the blanks in the following statements. (a) _ and _ Fibres are obtained from animals

What is the Ph of Water(H20)?