3275 + Interview Questions in Chemistry Page 52 InterviewSolution

2551.	Which fibre among the following is not a natural fibre?
Answer» Which fibre among the following is not a natural fibre?

Discussion

2552.	Name the different types of changes. [1 MARK]
Answer» Name the different types of changes. [1 MARK]

Discussion

2553.	Is carbon monoxide only harmful or can it be used for some other positive matters also?
Answer» Is carbon monoxide only harmful or can it be used for some other positive matters also?

Discussion

2554.	What kind of change does this image represent?
Answer» What kind of change does this image represent?

2554.

What kind of change does this image represent?

Answer»

What kind of change does this image represent?

Discussion

2555.	Materials can be grouped based on which of the following characterstics:
Answer» Materials can be grouped based on which of the following characterstics:

Discussion

2556.	The settling down of insoluble particles in a liquid is known as:
Answer» The settling down of insoluble particles in a liquid is known as:

Discussion

2557.	Question 8 Yarn is woven to get fabric using (a) Charkha (b) spinning machines (c) looms (d) knitting needles
Answer» Question 8 Yarn is woven to get fabric using (a) Charkha (b) spinning machines (c) looms (d) knitting needles

Discussion

2558.	Describe the term air. Name the constituents of air and represent them on a pie chart based on their composition. [5 MARKS]
Answer» Describe the term air. Name the constituents of air and represent them on a pie chart based on their composition. [5 MARKS]

Discussion

2559.	Question 9 Observe the picture given in Fig. A sheet of some material is placed at position ‘P’, still, the patch of light is obtained on the screen. What is the type of material of this sheet?
Answer» Question 9 Observe the picture given in Fig. A sheet of some material is placed at position ‘P’, still, the patch of light is obtained on the screen. What is the type of material of this sheet?

2559.

Question 9 Observe the picture given in Fig. A sheet of some material is placed at position ‘P’, still, the patch of light is obtained on the screen. What is the type of material of this sheet?

Answer»

Question 9

Observe the picture given in Fig. A sheet of some material is placed at position ‘P’, still, the patch of light is obtained on the screen. What is the type of material of this sheet?

Discussion

2560.	Question 8 Describe the 'Greenhouse Effect' in your own words.
Answer» Question 8 Describe the 'Greenhouse Effect' in your own words.

Discussion

2561.	Falling of a branch from a tree is an example of:
Answer» Falling of a branch from a tree is an example of:

Discussion

2562.	A chocolate bar is broken into smaller pieces. Which type of change is this?
Answer» A chocolate bar is broken into smaller pieces. Which type of change is this?

Discussion

2563.	Question 7 How are clouds formed?
Answer» Question 7 How are clouds formed?

2563.

Question 7 How are clouds formed?

Answer»

Question 7

How are clouds formed?

Discussion

2564.	How to separate A mixture of iron-fillings, ammonium chloride and sand? A mixture of sand, saw dust and common salt?
Answer» How to separate A mixture of iron-fillings, ammonium chloride and sand? A mixture of sand, saw dust and common salt?

Discussion

2565.	Aristotle then explained the class about changes and its type. He talked about reversible changes. He then asked students to identify reversible changes from the given initial examples. A. Rolling out roti from ball of dough B. Drawing boat on paper with pencil C. Growing of tree D. Boy moving with constant speed
Answer» Aristotle then explained the class about changes and its type. He talked about reversible changes. He then asked students to identify reversible changes from the given initial examples. A. Rolling out roti from ball of dough B. Drawing boat on paper with pencil C. Growing of tree D. Boy moving with constant speed

Discussion

2566.	Sugar + Oxygen → Carbon dioxide + Water + Energy Which process is being explained here?
Answer» Sugar + Oxygen $\to$ Carbon dioxide + Water + Energy Which process is being explained here?

2566.

Sugar + Oxygen → Carbon dioxide + Water + Energy Which process is being explained here?

Answer»

Sugar + Oxygen $\to$ Carbon dioxide + Water + Energy

Which process is being explained here?

Discussion

2567.	Iron (Roman II) oxide what do you mean by (II)
Answer» Iron (Roman II) oxide what do you mean by (II)

Discussion

2568.	Kenneth explained about the most important component of air to John and Sam. John was satisfied with the answer but Sam wanted to add some more information to it. Sam further elaborated the properties of the most important component of air. He said, it is not only used by living organisms during respiration but it also supports_____________.
Answer» Kenneth explained about the most important component of air to John and Sam. John was satisfied with the answer but Sam wanted to add some more information to it. Sam further elaborated the properties of the most important component of air. He said, it is not only used by living organisms during respiration but it also supports_____________.

Discussion

2569.	Rahul was going to cook rice, but he found weevils in the rice box.Which method of separation should he use to remove those weevils? [1 MARK]
Answer» Rahul was going to cook rice, but he found weevils in the rice box.Which method of separation should he use to remove those weevils? [1 MARK]

2569.

Rahul was going to cook rice, but he found weevils in the rice box.Which method of separation should he use to remove those weevils? [1 MARK]

Answer»

Rahul was going to cook rice, but he found weevils in the rice box.Which method of separation should he use to remove those weevils? [1 MARK]

Discussion

2570.	Make a tabular table on water borne disease with symptoms and prevention
Answer» Make a tabular table on water borne disease with symptoms and prevention

Discussion

2571.	Derive a formula of a chemical compound containing only sodium and chlorine.
Answer» Derive a formula of a chemical compound containing only sodium and chlorine.

Discussion

2572.	Which process is used to obtain petrol, kerosene and diesel from crude oil?
Answer» Which process is used to obtain petrol, kerosene and diesel from crude oil?

Discussion

2573.	If the water is kept in the container it evporates then why do the water in swimming pool do not evaporate
Answer» If the water is kept in the container it evporates then why do the water in swimming pool do not evaporate

Discussion

2574.	Which component of air is necessary for humans to get energy from food?
Answer» Which component of air is necessary for humans to get energy from food?

Discussion

2575.	While preparing tea, Rehan filters out tea leaves from the liquid with a strainer. This is a process of:
Answer» While preparing tea, Rehan filters out tea leaves from the liquid with a strainer. This is a process of:

Discussion

2576.	Describe an experiment to demonstrate the process of sublimation?
Answer» Describe an experiment to demonstrate the process of sublimation?

Discussion

2577.	When a mango ripens, it:
Answer» When a mango ripens, it:

Discussion

2578.	What happens if nitrogen is the supporter of burning and not oxygen ?
Answer» What happens if nitrogen is the supporter of burning and not oxygen ?

Discussion

2579.	Fractional distillation is a __________ process.
Answer» Fractional distillation is a __________ process.

Discussion

2580.	___ is a very energetic form of electromagnetic radiation that can be used to take images of the human body.
Answer» ___ is a very energetic form of electromagnetic radiation that can be used to take images of the human body.

Discussion

2581.	The property by which substances dissolve in water is called:
Answer» The property by which substances dissolve in water is called:

Discussion

2582.	Why are cutting tools mostly made of metals?
Answer» Why are cutting tools mostly made of metals?

Discussion

2583.	Which of the following element is liquid at room temperature?
Answer» Which of the following element is liquid at room temperature?

Discussion

2584.	What is the term for plants releasing water from their leaves, which then evaporates?
Answer» What is the term for plants releasing water from their leaves, which then evaporates?

Discussion

2585.	Decantation is used to separate:
Answer» Decantation is used to separate:

Discussion

2586.	What would happen, if all the oxygen present in the environment is converted to ozone?
Answer» What would happen, if all the oxygen present in the environment is converted to ozone?

Discussion

2587.	The process of removing fleece from the sheep's body is known as ________.
Answer» The process of removing fleece from the sheep's body is known as ________.

Discussion

2588.	Can jute be decomposed?
Answer» Can jute be decomposed?

Discussion

2589.	Is cigarette paper made up of flax fibre?
Answer» Is cigarette paper made up of flax fibre?

Discussion

2590.	___ is the ability of a substance to dissolve in a certain solvent.
Answer» ___ is the ability of a substance to dissolve in a certain solvent.

Discussion

2591.	From your day-to-day experience, give one example to show that the air contains water vapour. (Hint: Have you ever kept a cold drink bottle outside the fridge for some time?)
Answer» From your day-to-day experience, give one example to show that the air contains water vapour. (Hint: Have you ever kept a cold drink bottle outside the fridge for some time?)

Discussion

2592.	What are the different processes followed in distillation?
Answer» What are the different processes followed in distillation?

Discussion

2593.	What are the products formed after combustion of a carbon-based fuel takes place?
Answer» What are the products formed after combustion of a carbon-based fuel takes place?

Discussion

2594.	The process of separating a liquid and a solid from a mixture using a sieve-like filter paper is called ___ .
Answer» The process of separating a liquid and a solid from a mixture using a sieve-like filter paper is called ___ .

Discussion

2595.	Name a substance that you can use to keep the air dry in a closed space.
Answer» Name a substance that you can use to keep the air dry in a closed space.

Discussion

2596.	The mixture of stones and clear sand can be separated by the process of ______ .
Answer» The mixture of stones and clear sand can be separated by the process of ______ .

Discussion

2597.	The difference in size of the particles is used to separate a mixture, by the process of ___ .
Answer» The difference in size of the particles is used to separate a mixture, by the process of ___ .

Discussion

2598.	Question 19 Most of the water that falls on the land as rain and snow sooner or later goes back to a sea or an ocean. Explain how it happens.
Answer» Question 19 Most of the water that falls on the land as rain and snow sooner or later goes back to a sea or an ocean. Explain how it happens.

2598.

Question 19 Most of the water that falls on the land as rain and snow sooner or later goes back to a sea or an ocean. Explain how it happens.

Answer»

Question 19

Most of the water that falls on the land as rain and snow sooner or later goes back to a sea or an ocean. Explain how it happens.

Discussion

2599.	The process of conversion of water into its vapour is called as ______.
Answer» The process of conversion of water into its vapour is called as ______.

Discussion

2600.	Three substances given below are kept in the open for a few days and some changes were observed. Which of the substances will show a chemical change?
Answer» Three substances given below are kept in the open for a few days and some changes were observed. Which of the substances will show a chemical change?

Discussion

Explore topic-wise InterviewSolutions in .

Which fibre among the following is not a natural fibre?

Name the different types of changes. [1 MARK]

Is carbon monoxide only harmful or can it be used for some other positive matters also?

What kind of change does this image represent?

Materials can be grouped based on which of the following characterstics:

The settling down of insoluble particles in a liquid is known as:

Question 8 Yarn is woven to get fabric using (a) Charkha (b) spinning machines (c) looms (d) knitting needles

Describe the term air. Name the constituents of air and represent them on a pie chart based on their composition. [5 MARKS]

Question 9 Observe the picture given in Fig. A sheet of some material is placed at position ‘P’, still, the patch of light is obtained on the screen. What is the type of material of this sheet?

Question 8 Describe the 'Greenhouse Effect' in your own words.

Falling of a branch from a tree is an example of:

A chocolate bar is broken into smaller pieces. Which type of change is this?

Question 7 How are clouds formed?

How to separate A mixture of iron-fillings, ammonium chloride and sand? A mixture of sand, saw dust and common salt?

Sugar + Oxygen → Carbon dioxide + Water + Energy Which process is being explained here?

Iron (Roman II) oxide what do you mean by (II)

Rahul was going to cook rice, but he found weevils in the rice box.Which method of separation should he use to remove those weevils? [1 MARK]

Make a tabular table on water borne disease with symptoms and prevention

Derive a formula of a chemical compound containing only sodium and chlorine.

Which process is used to obtain petrol, kerosene and diesel from crude oil?

If the water is kept in the container it evporates then why do the water in swimming pool do not evaporate

Which component of air is necessary for humans to get energy from food?

While preparing tea, Rehan filters out tea leaves from the liquid with a strainer. This is a process of:

Describe an experiment to demonstrate the process of sublimation?

When a mango ripens, it:

What happens if nitrogen is the supporter of burning and not oxygen ?

Fractional distillation is a __________ process.

___ is a very energetic form of electromagnetic radiation that can be used to take images of the human body.

The property by which substances dissolve in water is called:

Why are cutting tools mostly made of metals?

Which of the following element is liquid at room temperature?

What is the term for plants releasing water from their leaves, which then evaporates?

Decantation is used to separate:

What would happen, if all the oxygen present in the environment is converted to ozone?

The process of removing fleece from the sheep's body is known as ________.

Can jute be decomposed?

Is cigarette paper made up of flax fibre?

___ is the ability of a substance to dissolve in a certain solvent.

From your day-to-day experience, give one example to show that the air contains water vapour. (Hint: Have you ever kept a cold drink bottle outside the fridge for some time?)

What are the different processes followed in distillation?

What are the products formed after combustion of a carbon-based fuel takes place?

The process of separating a liquid and a solid from a mixture using a sieve-like filter paper is called ___ .

Name a substance that you can use to keep the air dry in a closed space.

The mixture of stones and clear sand can be separated by the process of ______ .

The difference in size of the particles is used to separate a mixture, by the process of ___ .

Question 19 Most of the water that falls on the land as rain and snow sooner or later goes back to a sea or an ocean. Explain how it happens.

The process of conversion of water into its vapour is called as ______.

Three substances given below are kept in the open for a few days and some changes were observed. Which of the substances will show a chemical change?