3275 + Interview Questions in Chemistry Page 60 InterviewSolution

2951.	Column A has name of few fibres and column B contains types of fibres. Match column A with column B. COLUMN ACOLUMN B1) CottonA) Natural Fibres2) PolyesterB) Synthetic Fibre3) Wool4) Rayon5) Nylon
Answer» Column A has name of few fibres and column B contains types of fibres. Match column A with column B. $\begin{matrix} C O L U M N A & C O L U M N B 1) C o t t o n & A) N a t u r a l F i b r e s 2) P o l y e s t e r & B) S y n t h e t i c F i b r e 3) W o o l 4) R a y o n 5) N y l o n \end{matrix}$

2951.

Column A has name of few fibres and column B contains types of fibres. Match column A with column B. COLUMN ACOLUMN B1) CottonA) Natural Fibres2) PolyesterB) Synthetic Fibre3) Wool4) Rayon5) Nylon

Answer»

Column A has name of few fibres and column B contains types of fibres.

Match column A with column B.

\begin{matrix} C O L U M N A & C O L U M N B 1) C o t t o n & A) N a t u r a l F i b r e s 2) P o l y e s t e r & B) S y n t h e t i c F i b r e 3) W o o l 4) R a y o n 5) N y l o n \end{matrix}

Discussion

2952.	Which of the following material is soluble in water?
Answer» Which of the following material is soluble in water?

Discussion

2953.	Pick the odd one out. Give reason for the same. [1 MARK] nitrogen, oxygen, carbon dioxide.
Answer» Pick the odd one out. Give reason for the same. [1 MARK] nitrogen, oxygen, carbon dioxide.

Discussion

2954.	The poster given in the above question gives out a message on:
Answer» The poster given in the above question gives out a message on:

Discussion

2955.	How does water pollution affect the amount of clean water available for our use ?
Answer» How does water pollution affect the amount of clean water available for our use ?

Discussion

2956.	A crystal of sugar can break into many pieces and grow in size if kept in saturated solution. Is crystal a living thing? Justify your answer
Answer» A crystal of sugar can break into many pieces and grow in size if kept in saturated solution. Is crystal a living thing? Justify your answer

Discussion

2957.	Question 8 Look at the figures given below, which show three situations (a) burning candle (b) an extinguished candle (c) melting wax. Which of these shows a reversible change and why?
Answer» Question 8 Look at the figures given below, which show three situations (a) burning candle (b) an extinguished candle (c) melting wax. Which of these shows a reversible change and why?

2957.

Question 8 Look at the figures given below, which show three situations (a) burning candle (b) an extinguished candle (c) melting wax. Which of these shows a reversible change and why?

Answer»

Question 8

Look at the figures given below, which show three situations (a) burning candle (b) an extinguished candle (c) melting wax.
Which of these shows a reversible change and why?

Discussion

2958.	Water cycle is an example of interconversion of states of matter. Explain in short.
Answer» Water cycle is an example of interconversion of states of matter. Explain in short.

Discussion

2959.	Wet clothes kept near heater dry up because of -
Answer» Wet clothes kept near heater dry up because of -

Discussion

2960.	Name two sources of freshwater. [1 MARK]
Answer» Name two sources of freshwater. [1 MARK]

Discussion

2961.	How to you separate ? Sugar and water ?
Answer» How to you separate ? Sugar and water ?

2961.

How to you separate ? Sugar and water ?

Answer»

How to you separate ?

Sugar and water ?

Discussion

2962.	Question 2 (d) State for the following whether it is due to evaporation or condensation: Blackboard dries up after wiping it.
Answer» Question 2 (d) State for the following whether it is due to evaporation or condensation: Blackboard dries up after wiping it.

2962.

Question 2 (d) State for the following whether it is due to evaporation or condensation: Blackboard dries up after wiping it.

Answer»

Question 2 (d)

State for the following whether it is due to evaporation or condensation:
Blackboard dries up after wiping it.

Discussion

2963.	Which of the following are air pollutants?
Answer» Which of the following are air pollutants?

Discussion

2964.	Water that is fit for drinking is called ___ .
Answer» Water that is fit for drinking is called ___ .

Discussion

2965.	To clean their spectals people often breathe out on glasses to make them wet explain why the glass became Wet ?
Answer» To clean their spectals people often breathe out on glasses to make them wet explain why the glass became Wet ?

Discussion

2966.	Which gas in air is essential for respiration?
Answer» Which gas in air is essential for respiration?

Discussion

2967.	Which of the following is not a property of kerosene oil?
Answer» Which of the following is not a property of kerosene oil?

Discussion

2968.	If we add a mixture of salt and sand in water, then what will happen?
Answer» If we add a mixture of salt and sand in water, then what will happen?

Discussion

2969.	You are provided with the following materials:(i) Magnifying glass(ii) Mirror(iii) Stainless steel plate(iv) Glass tumblerWhich of the above materials will you identify as transparent?(a) (i) and (ii) (b) (i) and (iii) (c) (i) and (iv) (d) (iii) and (iv)
Answer» You are provided with the following materials: (i) Magnifying glass (ii) Mirror (iii) Stainless steel plate (iv) Glass tumbler Which of the above materials will you identify as transparent? (a) (i) and (ii) (b) (i) and (iii) (c) (i) and (iv) (d) (iii) and (iv)

2969.

You are provided with the following materials:(i) Magnifying glass(ii) Mirror(iii) Stainless steel plate(iv) Glass tumblerWhich of the above materials will you identify as transparent?(a) (i) and (ii) (b) (i) and (iii) (c) (i) and (iv) (d) (iii) and (iv)

Answer»

You are provided with the following materials:

(i) Magnifying glass

(ii) Mirror

(iii) Stainless steel plate

(iv) Glass tumbler

Which of the above materials will you identify as transparent?

(a) (i) and (ii) (b) (i) and (iii) (c) (i) and (iv) (d) (iii) and (iv)

Discussion

2970.	Question 14 Name and describe briefly a method which can be helpful in separating a mixture of husk from grains. What is the principle of this method?
Answer» Question 14 Name and describe briefly a method which can be helpful in separating a mixture of husk from grains. What is the principle of this method?

2970.

Question 14 Name and describe briefly a method which can be helpful in separating a mixture of husk from grains. What is the principle of this method?

Answer»

Question 14

Name and describe briefly a method which can be helpful in separating a mixture of husk from grains. What is the principle of this method?

Discussion

2971.	Difference in the weight of particles in a mixture is used to separate them by the process of
Answer» Difference in the weight of particles in a mixture is used to separate them by the process of

Discussion

2972.	Which of the following is artificial fibre?
Answer» Which of the following is artificial fibre?

Discussion

2973.	Question 24 Differentiate among opaque, translucent and transparent meterials, giving one example of each.
Answer» Question 24 Differentiate among opaque, translucent and transparent meterials, giving one example of each.

2973.

Question 24 Differentiate among opaque, translucent and transparent meterials, giving one example of each.

Answer»

Question 24

Differentiate among opaque, translucent and transparent meterials, giving one example of each.

Discussion

2974.	Bud to a flower and milk to paneer is a change or not
Answer» Bud to a flower and milk to paneer is a change or not

Discussion

2975.	Figure A shows water with some impurities. After some time, insoluble impurities settle down. Name the separation technique by which insoluble impurities are separated.
Answer» Figure A shows water with some impurities. After some time, insoluble impurities settle down. Name the separation technique by which insoluble impurities are separated.

2975.

Figure A shows water with some impurities. After some time, insoluble impurities settle down. Name the separation technique by which insoluble impurities are separated.

Answer»

Figure A shows water with some impurities. After some time, insoluble impurities settle down. Name the separation technique by which insoluble impurities are separated.

Discussion

2976.	On separating cream from milk, we get:
Answer» On separating cream from milk, we get:

Discussion

2977.	Question 12.2 Make sentences using the given set of words. Respiration, dissolved, animals, air, aquatic.
Answer» Question 12.2 Make sentences using the given set of words. Respiration, dissolved, animals, air, aquatic.

2977.

Question 12.2 Make sentences using the given set of words. Respiration, dissolved, animals, air, aquatic.

Answer»

Question 12.2

Make sentences using the given set of words.

Respiration, dissolved, animals, air, aquatic.

Discussion

2978.	Match the following according to the correct set of the pairs: i. Wheata. Loamy soilsii. Paddyb. Sandy-loamy soilsiii. Lentilsc. Clayey and loamy soilsiv. Cottond. Clayey soil with lots of humus
Answer» Match the following according to the correct set of the pairs: $\begin{matrix} i. Wheat & a. Loamy soils ii. Paddy & b. Sandy-loamy soils iii. Lentils & c. Clayey and loamy soils iv. Cotton & d. Clayey soil with lots of humus \end{matrix}$

Discussion

2979.	A girl saw a water puddle on the field while going to school. In the evening, while returning home, she observed that the puddle disappeared. This was because
Answer» A girl saw a water puddle on the field while going to school. In the evening, while returning home, she observed that the puddle disappeared. This was because

Discussion

2980.	From where do the following usually get water? In which form is water present in them? [5 MARKS] (a) Clouds (b) Plants (c) Mountain tops (d) Aquifer (e) Animals
Answer» From where do the following usually get water? In which form is water present in them? [5 MARKS] (a) Clouds (b) Plants (c) Mountain tops (d) Aquifer (e) Animals

Discussion

2981.	Which among these is correct for space between molecules in different states of matter?
Answer» Which among these is correct for space between molecules in different states of matter?

Discussion

2982.	Which of the following options is not correct regarding the uses of sandy soil?
Answer» Which of the following options is not correct regarding the uses of sandy soil?

Discussion

2983.	In which stage the bleaching and dyeing of the fabrics done
Answer» In which stage the bleaching and dyeing of the fabrics done

Discussion

2984.	Tea leaves can be separated from tea using the method of _____.
Answer» Tea leaves can be separated from tea using the method of _____.

Discussion

2985.	name two products formed by the burning of candle in air
Answer» name two products formed by the burning of candle in air

Discussion

2986.	Match Column-I with Column-II and select the correct answer. Column−IColumn−IIA.SO2P.Laughing gasB.N2OQ.Carbonic acidC.O2R.Acid rainD.H2O+CO2S.Combustion
Answer» Match Column-I with Column-II and select the correct answer. $\begin{matrix} C o l u m n - I & C o l u m n - I I A . S O_{2} & P . L a u g h i n g g a s B . N_{2} O & Q . C a r b o n i c a c i d C . O_{2} & R . A c i d r a i n D . H_{2} O + C O_{2} & S . C o m b u s t i o n \end{matrix}$

Discussion

2987.	What happens if one table spoon of salt is added to saturated solution of salt and water ? What will be the effect of heating this solution .
Answer» What happens if one table spoon of salt is added to saturated solution of salt and water ? What will be the effect of heating this solution .

Discussion

2988.	Question 17 Paheli was feeling thirsty but there was only a pot of water at home which was muddy and unfit for drinking. How do you think Paheli would have made this water fit for drinking if the following materials were available to her.
Answer» Question 17 Paheli was feeling thirsty but there was only a pot of water at home which was muddy and unfit for drinking. How do you think Paheli would have made this water fit for drinking if the following materials were available to her.

2988.

Question 17 Paheli was feeling thirsty but there was only a pot of water at home which was muddy and unfit for drinking. How do you think Paheli would have made this water fit for drinking if the following materials were available to her.

Answer»

Question 17

Paheli was feeling thirsty but there was only a pot of water at home which was muddy and unfit for drinking. How do you think Paheli would have made this water fit for drinking if the following materials were available to her.

Discussion

2989.	What will happen if air is blown to limewater ?
Answer» What will happen if air is blown to limewater ?

Discussion

2990.	Which gas is required for combustion?
Answer» Which gas is required for combustion?

Discussion

2991.	What is acid rain? What are the various components of acid rain? Why is it harmful? [3 Marks]
Answer» What is acid rain? What are the various components of acid rain? Why is it harmful? [3 Marks]

Discussion

2992.	Why do earthworm come out during heavy rainfall
Answer» Why do earthworm come out during heavy rainfall

Discussion

2993.	Water vapours enter the atmosphere due to -
Answer» Water vapours enter the atmosphere due to -

Discussion

2994.	Oxygen is returned to the atmosphere mainly by ______.
Answer» Oxygen is returned to the atmosphere mainly by ______.

Discussion

2995.	Given figure shows ________ change.
Answer» Given figure shows ________ change.

2995.

Given figure shows ________ change.

Answer»

Given figure shows ________ change.

Discussion

2996.	Question 6 While preparing chapatis, Paheli found that the flour to be used was mixed with wheat grains. Which out of the following is the most suitable method to separate the grains from the flour? (a) Threshing (b) Sieving (c) Winnowing (d) Filtration
Answer» Question 6 While preparing chapatis, Paheli found that the flour to be used was mixed with wheat grains. Which out of the following is the most suitable method to separate the grains from the flour? (a) Threshing (b) Sieving (c) Winnowing (d) Filtration

2996.

Question 6 While preparing chapatis, Paheli found that the flour to be used was mixed with wheat grains. Which out of the following is the most suitable method to separate the grains from the flour? (a) Threshing (b) Sieving (c) Winnowing (d) Filtration

Answer»

Question 6

While preparing chapatis, Paheli found that the flour to be used was mixed with wheat grains. Which out of the following is the most suitable method to separate the grains from the flour?

(a) Threshing

(b) Sieving

(c) Winnowing

(d) Filtration

Discussion

2997.	How does a ship made of metal float on water even though metals are sinking materials? [2 MARKS]
Answer» How does a ship made of metal float on water even though metals are sinking materials? [2 MARKS]

Discussion

2998.	One fine day John was cleaning utensils. He found that the sponge used for cleaning utensils can be compressed easily but the utensils cannot be compressed. He grouped utensils and sponge into two groups. On the basis of which of the following properties, can the utensils and sponge be sorted?
Answer» One fine day John was cleaning utensils. He found that the sponge used for cleaning utensils can be compressed easily but the utensils cannot be compressed. He grouped utensils and sponge into two groups. On the basis of which of the following properties, can the utensils and sponge be sorted?

Discussion

2999.	What happens when it does not rain for a longer time?
Answer» What happens when it does not rain for a longer time?

Discussion

3000.	Quesion 2 Wind does not help in the movement of which of the following? a) Firki b) Weather cock c) Ceiling fan d) Sailing yacht
Answer» Quesion 2 Wind does not help in the movement of which of the following? a) Firki b) Weather cock c) Ceiling fan d) Sailing yacht

3000.

Quesion 2 Wind does not help in the movement of which of the following? a) Firki b) Weather cock c) Ceiling fan d) Sailing yacht

Answer»

Quesion 2

Wind does not help in the movement of which of the following?

a) Firki

b) Weather cock

c) Ceiling fan

d) Sailing yacht

Discussion

Explore topic-wise InterviewSolutions in .

Column A has name of few fibres and column B contains types of fibres. Match column A with column B. COLUMN ACOLUMN B1) CottonA) Natural Fibres2) PolyesterB) Synthetic Fibre3) Wool4) Rayon5) Nylon

Which of the following material is soluble in water?

Pick the odd one out. Give reason for the same. [1 MARK] nitrogen, oxygen, carbon dioxide.

The poster given in the above question gives out a message on:

How does water pollution affect the amount of clean water available for our use ?

A crystal of sugar can break into many pieces and grow in size if kept in saturated solution. Is crystal a living thing? Justify your answer

Question 8 Look at the figures given below, which show three situations (a) burning candle (b) an extinguished candle (c) melting wax. Which of these shows a reversible change and why?

Water cycle is an example of interconversion of states of matter. Explain in short.

Wet clothes kept near heater dry up because of -

Name two sources of freshwater. [1 MARK]

How to you separate ? Sugar and water ?

Question 2 (d) State for the following whether it is due to evaporation or condensation: Blackboard dries up after wiping it.

Which of the following are air pollutants?

Water that is fit for drinking is called ___ .

To clean their spectals people often breathe out on glasses to make them wet explain why the glass became Wet ?

Which gas in air is essential for respiration?

Which of the following is not a property of kerosene oil?

If we add a mixture of salt and sand in water, then what will happen?

You are provided with the following materials:(i) Magnifying glass(ii) Mirror(iii) Stainless steel plate(iv) Glass tumblerWhich of the above materials will you identify as transparent?(a) (i) and (ii) (b) (i) and (iii) (c) (i) and (iv) (d) (iii) and (iv)

Question 14 Name and describe briefly a method which can be helpful in separating a mixture of husk from grains. What is the principle of this method?

Difference in the weight of particles in a mixture is used to separate them by the process of

Which of the following is artificial fibre?

Question 24 Differentiate among opaque, translucent and transparent meterials, giving one example of each.

Bud to a flower and milk to paneer is a change or not

Figure A shows water with some impurities. After some time, insoluble impurities settle down. Name the separation technique by which insoluble impurities are separated.

On separating cream from milk, we get:

Question 12.2 Make sentences using the given set of words. Respiration, dissolved, animals, air, aquatic.

Match the following according to the correct set of the pairs: i. Wheata. Loamy soilsii. Paddyb. Sandy-loamy soilsiii. Lentilsc. Clayey and loamy soilsiv. Cottond. Clayey soil with lots of humus

A girl saw a water puddle on the field while going to school. In the evening, while returning home, she observed that the puddle disappeared. This was because

From where do the following usually get water? In which form is water present in them? [5 MARKS] (a) Clouds (b) Plants (c) Mountain tops (d) Aquifer (e) Animals

Which among these is correct for space between molecules in different states of matter?

Which of the following options is not correct regarding the uses of sandy soil?

In which stage the bleaching and dyeing of the fabrics done

Tea leaves can be separated from tea using the method of _____.

name two products formed by the burning of candle in air

Match Column-I with Column-II and select the correct answer. Column−IColumn−IIA.SO2P.Laughing gasB.N2OQ.Carbonic acidC.O2R.Acid rainD.H2O+CO2S.Combustion

What happens if one table spoon of salt is added to saturated solution of salt and water ? What will be the effect of heating this solution .

Question 17 Paheli was feeling thirsty but there was only a pot of water at home which was muddy and unfit for drinking. How do you think Paheli would have made this water fit for drinking if the following materials were available to her.

What will happen if air is blown to limewater ?

Which gas is required for combustion?

What is acid rain? What are the various components of acid rain? Why is it harmful? [3 Marks]

Why do earthworm come out during heavy rainfall

Water vapours enter the atmosphere due to -

Oxygen is returned to the atmosphere mainly by ______.

Given figure shows ________ change.

Question 6 While preparing chapatis, Paheli found that the flour to be used was mixed with wheat grains. Which out of the following is the most suitable method to separate the grains from the flour? (a) Threshing (b) Sieving (c) Winnowing (d) Filtration

How does a ship made of metal float on water even though metals are sinking materials? [2 MARKS]

One fine day John was cleaning utensils. He found that the sponge used for cleaning utensils can be compressed easily but the utensils cannot be compressed. He grouped utensils and sponge into two groups. On the basis of which of the following properties, can the utensils and sponge be sorted?

What happens when it does not rain for a longer time?

Quesion 2 Wind does not help in the movement of which of the following? a) Firki b) Weather cock c) Ceiling fan d) Sailing yacht