3275 + Interview Questions in Chemistry Page 54 InterviewSolution

2651.	Question 6 Which of the following components of air is present in the largest amount in the atmosphere? a) Nitrogen b) Oxygen c) Water vapour d) Carbon Dioxide
Answer» Question 6 Which of the following components of air is present in the largest amount in the atmosphere? a) Nitrogen b) Oxygen c) Water vapour d) Carbon Dioxide

2651.

Question 6 Which of the following components of air is present in the largest amount in the atmosphere? a) Nitrogen b) Oxygen c) Water vapour d) Carbon Dioxide

Answer»

Question 6

Which of the following components of air is present in the largest amount in the atmosphere?

a) Nitrogen

b) Oxygen

c) Water vapour

d) Carbon Dioxide

Discussion

2652.	The impurity that remains during the settlement of insoluble substances is called :
Answer» The impurity that remains during the settlement of insoluble substances is called :

Discussion

2653.	Which among the following methods of separation depends upon increase in temperature and pressure?
Answer» Which among the following methods of separation depends upon increase in temperature and pressure?

Discussion

2654.	The process of making sugarcane to sugar is called?
Answer» The process of making sugarcane to sugar is called?

Discussion

2655.	Using which method can green chillies be separated from noodles?
Answer» Using which method can green chillies be separated from noodles?

Discussion

2656.	Will the tiny air bubbles seen before the water actually boils, also appear if we do the boiling water in a vessel activity by reheating boil water kept in an air tight bottle?
Answer» Will the tiny air bubbles seen before the water actually boils, also appear if we do the boiling water in a vessel activity by reheating boil water kept in an air tight bottle?

Discussion

2657.	Select an appropriate adverb for the blank. Malvika ___ showed her disapproval on all matters.
Answer» Select an appropriate adverb for the blank. Malvika ___ showed her disapproval on all matters.

2657.

Select an appropriate adverb for the blank. Malvika ___ showed her disapproval on all matters.

Answer»

Select an appropriate adverb for the blank.

Malvika ___ showed her disapproval on all matters.

Discussion

2658.	Question 6 The layer of air around the earth is known as ___.
Answer» Question 6 The layer of air around the earth is known as ___.

2658.

Question 6 The layer of air around the earth is known as ___.

Answer»

Question 6

The layer of air around the earth is known as ___.

Discussion

2659.	A solution which can dissolve more of the substance in it, is called an:
Answer» A solution which can dissolve more of the substance in it, is called an:

Discussion

2660.	Why is the liquid substance in our nose is always yellow or white, why not black or blue?
Answer» Why is the liquid substance in our nose is always yellow or white, why not black or blue?

Discussion

2661.	What is Weft , Warp, Shuttle and thread ?
Answer» What is Weft , Warp, Shuttle and thread ?

Discussion

2662.	You are given three containers with equal amount of water. Container A has ice cold water, container B has water at room temperature and container C has hot water. In which container can you dissolve more salt?
Answer» You are given three containers with equal amount of water. Container A has ice cold water, container B has water at room temperature and container C has hot water. In which container can you dissolve more salt?

Discussion

2663.	Rainwater harvesting can be done to
Answer» Rainwater harvesting can be done to

Discussion

2664.	what are the methods of rearing wool from sheep .
Answer» what are the methods of rearing wool from sheep .

Discussion

2665.	The solubility of a substance ___ with the decrease in temperature.
Answer» The solubility of a substance ___ with the decrease in temperature.

Discussion

2666.	How can we say a solution that it is a saturated or supersaturated solution give some examples
Answer» How can we say a solution that it is a saturated or supersaturated solution give some examples

Discussion

2667.	Clayey soil holds little air and is heavy.
Answer» Clayey soil holds little air and is heavy.

Discussion

2668.	When does the bleaching and flexing of fibers are done?
Answer» When does the bleaching and flexing of fibers are done?

Discussion

2669.	Match Column-I with Column-II and select the correct answer using the codes given below the columns. Column-I Column-IIA.Coal gasP.(C2H6+C3H8+C4H10)B.Petroleum gasQ.(CH4+C2H6+C3H8+C4H10)C.Producer gasR.(H2+CH4+CO)D.Natural gasS.(CO+N2) [C2H6−ethane, C3H8−propane, C4H10−butane]
Answer» Match Column-I with Column-II and select the correct answer using the codes given below the columns. $\begin{matrix} Column-I & Column-II A . & Coal gas & P . & (C_{2} H_{6} + C_{3} H_{8} + C_{4} H_{10}) B . & Petroleum gas & Q . & (C H_{4} + C_{2} H_{6} + C_{3} H_{8} + C_{4} H_{10}) C . & Producer gas & R . & (H_{2} + C H_{4} + C O) D . & Natural gas & S . & (C O + N_{2}) \end{matrix}$ $[C_{2} H_{6} - ethane, C_{3} H_{8} - propane, C_{4} H_{10} - butane]$

Discussion

2670.	What is ginning and what is the use of takli and charkha?
Answer» What is ginning and what is the use of takli and charkha?

Discussion

2671.	Which of the following statements is correct? [3 MARKS] a) Collection of rainwater in overhead tanks helps in conservation of water. b) Rainwater is responsible for replenishing of groundwater and collecting it would hamper the process. This practice would decrease water table levels and would make it difficult for us to access water.
Answer» Which of the following statements is correct? [3 MARKS] a) Collection of rainwater in overhead tanks helps in conservation of water. b) Rainwater is responsible for replenishing of groundwater and collecting it would hamper the process. This practice would decrease water table levels and would make it difficult for us to access water.

Discussion

2672.	What is the name of the fibre obtained from coconut? Name two items that are made from coconut fibre. [3 MARKS]
Answer» What is the name of the fibre obtained from coconut? Name two items that are made from coconut fibre. [3 MARKS]

Discussion

2673.	Name four conventional methods used for the purification of water? [2 MARKS]
Answer» Name four conventional methods used for the purification of water? [2 MARKS]

Discussion

2674.	A cloud is unable to hold droplets of water because
Answer» A cloud is unable to hold droplets of water because

Discussion

2675.	Question 3 What is not true about air? a) It makes the windmill rotate. b) It helps in the movements of airplanes. c) Birds can fly due to the presence of air. d) It has no role in the water cycle.
Answer» Question 3 What is not true about air? a) It makes the windmill rotate. b) It helps in the movements of airplanes. c) Birds can fly due to the presence of air. d) It has no role in the water cycle.

2675.

Question 3 What is not true about air? a) It makes the windmill rotate. b) It helps in the movements of airplanes. c) Birds can fly due to the presence of air. d) It has no role in the water cycle.

Answer»

Question 3

What is not true about air?

a) It makes the windmill rotate.

b) It helps in the movements of airplanes.

c) Birds can fly due to the presence of air.

d) It has no role in the water cycle.

Discussion

2676.	What are the two types of pure substances?
Answer» What are the two types of pure substances?

Discussion

2677.	Study the information given below: 1) Some substances are made up of two or more elements combined together chemically. 2) Properties of these substances are different from their constituent elements. 3) These substances cannot be broken down by physical methods. Which of the following represent the properties listed above?
Answer» Study the information given below: 1) Some substances are made up of two or more elements combined together chemically. 2) Properties of these substances are different from their constituent elements. 3) These substances cannot be broken down by physical methods. Which of the following represent the properties listed above?

Discussion

2678.	________ is fast moving air.
Answer» ________ is fast moving air.

Discussion

2679.	Difference between undiserable changes and discernable changes
Answer» Difference between undiserable changes and discernable changes

Discussion

2680.	Identify the countable noun in the sentence. The sheet of paper got wet in the rain making it difficult to identify its contents.
Answer» Identify the countable noun in the sentence. The sheet of paper got wet in the rain making it difficult to identify its contents.

2680.

Identify the countable noun in the sentence. The sheet of paper got wet in the rain making it difficult to identify its contents.

Answer»

Identify the countable noun in the sentence.

The sheet of paper got wet in the rain making it difficult to identify its contents.

Discussion

2681.	What are the various methods of separation of substances under dry conditions? [2 MARKS]
Answer» What are the various methods of separation of substances under dry conditions? [2 MARKS]

Discussion

2682.	Describe the major heat zones of the earth.
Answer» Describe the major heat zones of the earth.

Discussion

2683.	Name a metal which reacts with very dilute Nitric Acid to give Hydrogen
Answer» Name a metal which reacts with very dilute Nitric Acid to give Hydrogen

Discussion

2684.	Which one of the following is a poor conductor of heat?
Answer» Which one of the following is a poor conductor of heat?

Discussion

2685.	S1: Smoke oozed up between the planks. P: Passengers were told to be ready to quit the ship. Q: The rising gale fanned the smouldering fire. R: Everyone now knew there was fire on board. S: Flames broke out here and there. S6: Most people bore the shock bravely. The Proper sequence should be:
Answer» S1: Smoke oozed up between the planks. P: Passengers were told to be ready to quit the ship. Q: The rising gale fanned the smouldering fire. R: Everyone now knew there was fire on board. S: Flames broke out here and there. S6: Most people bore the shock bravely. The Proper sequence should be:

2685.

S1: Smoke oozed up between the planks. P: Passengers were told to be ready to quit the ship. Q: The rising gale fanned the smouldering fire. R: Everyone now knew there was fire on board. S: Flames broke out here and there. S6: Most people bore the shock bravely. The Proper sequence should be:

Answer»

S1: Smoke oozed up between the planks.

P: Passengers were told to be ready to quit the ship.

Q: The rising gale fanned the smouldering fire.

R: Everyone now knew there was fire on board.

S: Flames broke out here and there.

S6: Most people bore the shock bravely.

The Proper sequence should be:

Discussion

2686.	Question 21 Crossword Puzzle pick five objects from the word box given as figure, which are opaque and would sink in water. OSTPLEATLEERCOINAAONKCFSAEEIWELLYLRR
Answer» Question 21 Crossword Puzzle pick five objects from the word box given as figure, which are opaque and would sink in water. $\begin{matrix} O & S & T & P & L & E A & T & L & E & E & R C & O & I & N & A & A O & N & K & C & F & S A & E & E & I & W & E L & L & Y & L & R & R \end{matrix}$

2686.

Question 21 Crossword Puzzle pick five objects from the word box given as figure, which are opaque and would sink in water. OSTPLEATLEERCOINAAONKCFSAEEIWELLYLRR

Answer»

Question 21

Crossword Puzzle pick five objects from the word box given as figure, which are opaque and would sink in water.

$\begin{matrix} O & S & T & P & L & E A & T & L & E & E & R C & O & I & N & A & A O & N & K & C & F & S A & E & E & I & W & E L & L & Y & L & R & R \end{matrix}$

Discussion

2687.	Question 5 In which of the following cases, evaporation of water will be slowest? (a) A tray of water kept in sunlight (b) A kettle of water kept on a burner (c) A glass of water kept in a room (d) A bucket of water kept on a rooftop
Answer» Question 5 In which of the following cases, evaporation of water will be slowest? (a) A tray of water kept in sunlight (b) A kettle of water kept on a burner (c) A glass of water kept in a room (d) A bucket of water kept on a rooftop

2687.

Question 5 In which of the following cases, evaporation of water will be slowest? (a) A tray of water kept in sunlight (b) A kettle of water kept on a burner (c) A glass of water kept in a room (d) A bucket of water kept on a rooftop

Answer»

Question 5

In which of the following cases, evaporation of water will be slowest?

(a) A tray of water kept in sunlight
(b) A kettle of water kept on a burner
(c) A glass of water kept in a room
(d) A bucket of water kept on a rooftop

Discussion

2688.	What is meaning of analyzed
Answer» What is meaning of analyzed

Discussion

2689.	Which of the following are the components of our environment?
Answer» Which of the following are the components of our environment?

Discussion

2690.	Question 12 It was Paheli's birthday. Her grandmother gave her two gifts made up of metals, one old dull silver spoon and a pair of lustrous gold ear-rings she was surprised to see the difference in the appearance of the two metals. Can you explain the reason for this difference ?
Answer» Question 12 It was Paheli's birthday. Her grandmother gave her two gifts made up of metals, one old dull silver spoon and a pair of lustrous gold ear-rings she was surprised to see the difference in the appearance of the two metals. Can you explain the reason for this difference ?

2690.

Question 12 It was Paheli's birthday. Her grandmother gave her two gifts made up of metals, one old dull silver spoon and a pair of lustrous gold ear-rings she was surprised to see the difference in the appearance of the two metals. Can you explain the reason for this difference ?

Answer»

Question 12

It was Paheli's birthday. Her grandmother gave her two gifts made up of metals, one old dull silver spoon and a pair of lustrous gold ear-rings she was surprised to see the difference in the appearance of the two metals. Can you explain the reason for this difference ?

Discussion

2691.	Stone particles can be separated from rice by
Answer» Stone particles can be separated from rice by

Discussion

2692.	Melting of wax is:
Answer» Melting of wax is:

Discussion

2693.	CNG stands for:
Answer» CNG stands for:

Discussion

2694.	What happens to solid carbon di oxide if we cool it even more like 100o C below 0o C . What will it become ? Will it become something else ?
Answer» What happens to solid carbon di oxide if we cool it even more like 100^o C below 0^oC . What will it become ? Will it become something else ?

Discussion

2695.	Process of fiber to yarn
Answer» Process of fiber to yarn

Discussion

2696.	Write uses of coconut fibers?
Answer» Write uses of coconut fibers?

Discussion

2697.	What turns the water on the Earth into vapour in the water cycle?
Answer» What turns the water on the Earth into vapour in the water cycle?

Discussion

2698.	Are there any other factors to increase the solubility of a solute other than- 🔹By increasing the amount of the solvent. 🔹By stirring the solvent. 🔹By heating the solvent.
Answer» Are there any other factors to increase the solubility of a solute other than- 🔹By increasing the amount of the solvent. 🔹By stirring the solvent. 🔹By heating the solvent.

Discussion

2699.	Oil can be separated from water using
Answer» Oil can be separated from water using

Discussion

2700.	_______ soil is the best soil for agriculture.
Answer» _______ soil is the best soil for agriculture.

Discussion

Explore topic-wise InterviewSolutions in .

Question 6 Which of the following components of air is present in the largest amount in the atmosphere? a) Nitrogen b) Oxygen c) Water vapour d) Carbon Dioxide

The impurity that remains during the settlement of insoluble substances is called :

Which among the following methods of separation depends upon increase in temperature and pressure?

The process of making sugarcane to sugar is called?

Using which method can green chillies be separated from noodles?

Will the tiny air bubbles seen before the water actually boils, also appear if we do the boiling water in a vessel activity by reheating boil water kept in an air tight bottle?

Select an appropriate adverb for the blank. Malvika ___ showed her disapproval on all matters.

Question 6 The layer of air around the earth is known as ___.

A solution which can dissolve more of the substance in it, is called an:

Why is the liquid substance in our nose is always yellow or white, why not black or blue?

What is Weft , Warp, Shuttle and thread ?

You are given three containers with equal amount of water. Container A has ice cold water, container B has water at room temperature and container C has hot water. In which container can you dissolve more salt?

Rainwater harvesting can be done to

what are the methods of rearing wool from sheep .

The solubility of a substance ___ with the decrease in temperature.

How can we say a solution that it is a saturated or supersaturated solution give some examples

Clayey soil holds little air and is heavy.

When does the bleaching and flexing of fibers are done?

Match Column-I with Column-II and select the correct answer using the codes given below the columns. Column-I Column-IIA.Coal gasP.(C2H6+C3H8+C4H10)B.Petroleum gasQ.(CH4+C2H6+C3H8+C4H10)C.Producer gasR.(H2+CH4+CO)D.Natural gasS.(CO+N2) [C2H6−ethane, C3H8−propane, C4H10−butane]

What is ginning and what is the use of takli and charkha?

What is the name of the fibre obtained from coconut? Name two items that are made from coconut fibre. [3 MARKS]

Name four conventional methods used for the purification of water? [2 MARKS]

A cloud is unable to hold droplets of water because

Question 3 What is not true about air? a) It makes the windmill rotate. b) It helps in the movements of airplanes. c) Birds can fly due to the presence of air. d) It has no role in the water cycle.

What are the two types of pure substances?

________ is fast moving air.

Difference between undiserable changes and discernable changes

Identify the countable noun in the sentence. The sheet of paper got wet in the rain making it difficult to identify its contents.

What are the various methods of separation of substances under dry conditions? [2 MARKS]

Describe the major heat zones of the earth.

Name a metal which reacts with very dilute Nitric Acid to give Hydrogen

Which one of the following is a poor conductor of heat?

S1: Smoke oozed up between the planks. P: Passengers were told to be ready to quit the ship. Q: The rising gale fanned the smouldering fire. R: Everyone now knew there was fire on board. S: Flames broke out here and there. S6: Most people bore the shock bravely. The Proper sequence should be:

Question 21 Crossword Puzzle pick five objects from the word box given as figure, which are opaque and would sink in water. OSTPLEATLEERCOINAAONKCFSAEEIWELLYLRR

Question 5 In which of the following cases, evaporation of water will be slowest? (a) A tray of water kept in sunlight (b) A kettle of water kept on a burner (c) A glass of water kept in a room (d) A bucket of water kept on a rooftop

What is meaning of analyzed

Which of the following are the components of our environment?

Question 12 It was Paheli's birthday. Her grandmother gave her two gifts made up of metals, one old dull silver spoon and a pair of lustrous gold ear-rings she was surprised to see the difference in the appearance of the two metals. Can you explain the reason for this difference ?

Stone particles can be separated from rice by

Melting of wax is:

CNG stands for:

What happens to solid carbon di oxide if we cool it even more like 100o C below 0o C . What will it become ? Will it become something else ?

Process of fiber to yarn

Write uses of coconut fibers?

What turns the water on the Earth into vapour in the water cycle?

Are there any other factors to increase the solubility of a solute other than- 🔹By increasing the amount of the solvent. ​​​🔹By stirring the solvent. 🔹By heating the solvent. ​​​​​

Oil can be separated from water using

_______ soil is the best soil for agriculture.

Are there any other factors to increase the solubility of a solute other than- 🔹By increasing the amount of the solvent. 🔹By stirring the solvent. 🔹By heating the solvent.