3275 + Interview Questions in Chemistry Page 33 InterviewSolution

1601.	Name a technique used for separating sodium chloride and sugar.
Answer» Name a technique used for separating sodium chloride and sugar.

Discussion

1602.	You are given buttons of different colours. On what basis will you group them?
Answer» You are given buttons of different colours. On what basis will you group them?

Discussion

1603.	Name any four greenhouse gases. [2 MARKS]
Answer» Name any four greenhouse gases. [2 MARKS]

Discussion

1604.	Which day is celebrated as 'International Ozone Day'?
Answer» Which day is celebrated as 'International Ozone Day'?

Discussion

1605.	Look around you. Identify some ways by which water is wasted.
Answer» Look around you. Identify some ways by which water is wasted.

Discussion

1606.	Arrange the steps of folding filter paper in correct sequence.
Answer» Arrange the steps of folding filter paper in correct sequence.

1606.

Arrange the steps of folding filter paper in correct sequence.

Answer»

Arrange the steps of folding filter paper in correct sequence.

Discussion

1607.	Mole conceptb
Answer» Mole conceptb

Discussion

1608.	The difference in magnetic property of components is used for separation in the process of ___.
Answer» The difference in magnetic property of components is used for separation in the process of ___.

Discussion

1609.	Explain any one method of crop production which ensures high yield.
Answer» Explain any one method of crop production which ensures high yield.

1609.

Explain any one method of crop production which ensures high yield.

Answer»

Explain any one method of crop production which ensures high yield.

Discussion

1610.	Is there any difference between villi and microvilli? If there is any difference then plaese explain.
Answer» Is there any difference between villi and microvilli? If there is any difference then plaese explain.

Discussion

1611.	Draw a labelled diagram to show the arrangement used to filter a mixture of a liquid and an insoluble solid.
Answer» Draw a labelled diagram to show the arrangement used to filter a mixture of a liquid and an insoluble solid.

Discussion

1612.	What is the best method to avoid pollution, if you are using plastic bags?
Answer» What is the best method to avoid pollution, if you are using plastic bags?

Discussion

1613.	The process of separation of miscible liquids done by _____.
Answer» The process of separation of miscible liquids done by _____.

Discussion

1614.	This is not in my syllabus. Though I am having this doubt for many years. Is the mosquito net opaque transparent or translucent?
Answer» This is not in my syllabus. Though I am having this doubt for many years. Is the mosquito net opaque transparent or translucent?

Discussion

1615.	What happens to the temperature at the point of fusion?
Answer» What happens to the temperature at the point of fusion?

Discussion

1616.	The boiling point of water is ____ .
Answer» The boiling point of water is ____ .

Discussion

1617.	What energy conversion takes place in an electric cell
Answer» What energy conversion takes place in an electric cell

Discussion

1618.	What happens when we add sand to water?
Answer» What happens when we add sand to water?

Discussion

1619.	Identify the fibre that is preferred to make all these materials.
Answer» Identify the fibre that is preferred to make all these materials.

Discussion

1620.	Which apparatus is used to separate two immiscible liquids?
Answer» Which apparatus is used to separate two immiscible liquids?

Discussion

1621.	A small quantity of curd is added to warm milk. The milk is stirred and is set aside for a few hours at a warm place. In a few hours, the milk changes into curd. This is a:-
Answer» A small quantity of curd is added to warm milk. The milk is stirred and is set aside for a few hours at a warm place. In a few hours, the milk changes into curd. This is a:-

1621.

A small quantity of curd is added to warm milk. The milk is stirred and is set aside for a few hours at a warm place. In a few hours, the milk changes into curd. This is a:-

Answer»

A small quantity of curd is added to warm milk. The milk is stirred and is set aside for a few hours at a warm place. In a few hours, the milk changes into curd. This is a:-

Discussion

1622.	Classification is useful because(a) it makes things look neat and tidy.(b) it makes studying the properties of things much easier.(c) it helps us in the kitchen.(d) it helps us in the school library.
Answer» Classification is useful because (a) it makes things look neat and tidy. (b) it makes studying the properties of things much easier. (c) it helps us in the kitchen. (d) it helps us in the school library.

Discussion

1623.	Transport of water takes place in plant through Answer in one word
Answer» Transport of water takes place in plant through Answer in one word

1623.

Transport of water takes place in plant through Answer in one word

Answer»

Transport of water takes place in plant through

Answer in one word

Discussion

1624.	Which of the following term defines the change of state from water vapour to liquid water?
Answer» Which of the following term defines the change of state from water vapour to liquid water?

Discussion

1625.	The sources of water are:
Answer» The sources of water are:

Discussion

1626.	Name some animals which give us wool?
Answer» Name some animals which give us wool?

Discussion

1627.	Question 1In which states do substances exist in our surroundings?
Answer» Question 1 In which states do substances exist in our surroundings?

1627.

Question 1In which states do substances exist in our surroundings?

Answer»

Question 1

In which states do substances exist in our surroundings?

Discussion

1628.	Does aluminium require two more electron to complete its octet since it has three valence electrons and three more electrons are shared by three chlorine atoms? if not why
Answer» Does aluminium require two more electron to complete its octet since it has three valence electrons and three more electrons are shared by three chlorine atoms? if not why

Discussion

1629.	List the various sources of freshwater.
Answer» List the various sources of freshwater.

Discussion

1630.	What is the difference between sedimentation and separating funnel
Answer» What is the difference between sedimentation and separating funnel

Discussion

1631.	What would happen when we wear woolen clothes in summer
Answer» What would happen when we wear woolen clothes in summer

Discussion

1632.	Some changes are listed in the following table. For each change, write in the blank column, whether the change can be reversed or not.S.No. Change Can be reversed (Yes/No)1.The sawing of a piece of wood2.The melting of ice candy3.Dissolving sugar in water4.The cooking of food 5.The ripening of a mango6.Souring of milk
Answer» Some changes are listed in the following table. For each change, write in the blank column, whether the change can be reversed or not. $\begin{matrix} S.No. & Change & Can be reversed (Yes/No) 1. & The sawing of a piece of wood 2. & The melting of ice candy 3. & Dissolving sugar in water 4. & The cooking of food 5. & The ripening of a mango 6. & Souring of milk \end{matrix}$

Discussion

1633.	What are the properties of different objects or metals we
Answer» What are the properties of different objects or metals we

Discussion

1634.	does feather floats on water
Answer» does feather floats on water

Discussion

1635.	Question 4 (i)State whether the statement given below is True or False.Stone is transparent, while glass is opaque.
Answer» Question 4 (i) State whether the statement given below is True or False. Stone is transparent, while glass is opaque.

1635.

Question 4 (i)State whether the statement given below is True or False.Stone is transparent, while glass is opaque.

Answer»

Question 4 (i)

State whether the statement given below is True or False.
Stone is transparent, while glass is opaque.

Discussion

1636.	Why do we float on the Dead Sea?
Answer» Why do we float on the Dead Sea?

Discussion

1637.	2. Which is common gas, for Green house effect and ozone duplication both: a) CFC. c) CO2 b) CH4. d) N2O
Answer» 2. Which is common gas, for Green house effect and ozone duplication both: a) CFC. c) CO2 b) CH4. d) N2O

Discussion

1638.	How does air help in separation of grain from chaff? What is the process known as? [2 MARKS]
Answer» How does air help in separation of grain from chaff? What is the process known as? [2 MARKS]

Discussion

1639.	We always talk about a saturated solution at a certain temperature? Why is the temperature specified?
Answer» We always talk about a saturated solution at a certain temperature? Why is the temperature specified?

Discussion

1640.	Stones present in rice can be removed by:
Answer» Stones present in rice can be removed by:

Discussion

1641.	Column – IColumn – IIA. Natural fibreP. TeryleneB. Synthetic fibreQ. RaincoatsC. Semisynthetic fibreR. WoolD. RubberS. Terry wool
Answer» $\begin{matrix} Column - I & Column - II A. Natural fibre & P. Terylene B. Synthetic fibre & Q. Raincoats C. Semisynthetic fibre & R. Wool D. Rubber & S. Terry wool \end{matrix}$

Discussion

1642.	Large parts of the earth are covered by
Answer» Large parts of the earth are covered by

Discussion

1643.	rakesh runs at 5÷4 of his usual speed and reaches the playvl ground 5 minute earlier.What is his usual time?
Answer» rakesh runs at 5÷4 of his usual speed and reaches the playvl ground 5 minute earlier.What is his usual time?

Discussion

1644.	Question 1 (c)Which separation techniques will you apply for the separation of the following? c. Small pieces of metal in the engine oil of a car.
Answer» Question 1 (c) Which separation techniques will you apply for the separation of the following? c. Small pieces of metal in the engine oil of a car.

Discussion

1645.

Match the mixtures in Column I with their method of separation in Column II. Oil mixed in water Sieving Iron powder mixed in flour Handpicking Salt mixed with water Decantation Lady’s finger mixed with French beans Magnet Rice flour mixed with kidney beans Evaporation

Answer» Match the mixtures in Column I with their method of separation in Column II.

Oil mixed in water	Sieving
Iron powder mixed in flour	Handpicking
Salt mixed with water	Decantation
Lady’s finger mixed with French beans	Magnet
Rice flour mixed with kidney beans	Evaporation

Discussion

1646.	Name the most appropriate method of removing tea leaves after preparing tea. Explain the same.
Answer» Name the most appropriate method of removing tea leaves after preparing tea. Explain the same.

Discussion

1647.	Two metal spheres of same material have the diameter in the ratio 1:2 the ratio of their rates of cooling is
Answer» Two metal spheres of same material have the diameter in the ratio 1:2 the ratio of their rates of cooling is

Discussion

1648.	Give four examples of natural fibres. [2 MARKS]
Answer» Give four examples of natural fibres. [2 MARKS]

Discussion

1649.	Question 3List the uses of water in various activities.
Answer» Question 3 List the uses of water in various activities.

Discussion

1650.	Why do you think a drain is dug around the tent?
Answer» Why do you think a drain is dug around the tent?

Discussion

Explore topic-wise InterviewSolutions in .

Name a technique used for separating sodium chloride and sugar.

You are given buttons of different colours. On what basis will you group them?

Name any four greenhouse gases. [2 MARKS]

Which day is celebrated as 'International Ozone Day'?

Look around you. Identify some ways by which water is wasted.

Arrange the steps of folding filter paper in correct sequence.

Mole conceptb

The difference in magnetic property of components is used for separation in the process of ___.

Explain any one method of crop production which ensures high yield.

Is there any difference between villi and microvilli? If there is any difference then plaese explain.

Draw a labelled diagram to show the arrangement used to filter a mixture of a liquid and an insoluble solid.

What is the best method to avoid pollution, if you are using plastic bags?

The process of separation of miscible liquids done by _____.

This is not in my syllabus. Though I am having this doubt for many years. Is the mosquito net opaque transparent or translucent? ​​​​

What happens to the temperature at the point of fusion?

The boiling point of water is ____ .

What energy conversion takes place in an electric cell

What happens when we add sand to water?

Identify the fibre that is preferred to make all these materials.

Which apparatus is used to separate two immiscible liquids?

A small quantity of curd is added to warm milk. The milk is stirred and is set aside for a few hours at a warm place. In a few hours, the milk changes into curd. This is a:-

Classification is useful because(a) it makes things look neat and tidy.(b) it makes studying the properties of things much easier.(c) it helps us in the kitchen.(d) it helps us in the school library.

Transport of water takes place in plant through Answer in one word

Which of the following term defines the change of state from water vapour to liquid water?

The sources of water are:

Name some animals which give us wool?

Question 1In which states do substances exist in our surroundings?

Does aluminium require two more electron to complete its octet since it has three valence electrons and three more electrons are shared by three chlorine atoms? if not why

List the various sources of freshwater.

What is the difference between sedimentation and separating funnel

What would happen when we wear woolen clothes in summer

What are the properties of different objects or metals we

does feather floats on water

Question 4 (i)State whether the statement given below is True or False.Stone is transparent, while glass is opaque.

Why do we float on the Dead Sea?

2. Which is common gas, for Green house effect and ozone duplication both: a) CFC. c) CO2 b) CH4. d) N2O

How does air help in separation of grain from chaff? What is the process known as? [2 MARKS]

We always talk about a saturated solution at a certain temperature? Why is the temperature specified?

Stones present in rice can be removed by:

Column – IColumn – IIA. Natural fibreP. TeryleneB. Synthetic fibreQ. RaincoatsC. Semisynthetic fibreR. WoolD. RubberS. Terry wool

Large parts of the earth are covered by

rakesh runs at 5÷4 of his usual speed and reaches the playvl ground 5 minute earlier.What is his usual time?

Question 1 (c)Which separation techniques will you apply for the separation of the following? c. Small pieces of metal in the engine oil of a car.

Name the most appropriate method of removing tea leaves after preparing tea. Explain the same.

Two metal spheres of same material have the diameter in the ratio 1:2 the ratio of their rates of cooling is

Give four examples of natural fibres. [2 MARKS]

Question 3List the uses of water in various activities.

Why do you think a drain is dug around the tent?

This is not in my syllabus. Though I am having this doubt for many years. Is the mosquito net opaque transparent or translucent?