5083 + Interview Questions in Chemistry

1.	Pollution from animal excreta and organic waste from the kitchen can be most profitably minimized by:
Answer» Pollution from animal excreta and organic waste from the kitchen can be most profitably minimized by:

Discussion

2.	Why in cars and buildings there are cylinders of carbon dioxide?
Answer» Why in cars and buildings there are cylinders of carbon dioxide?

Discussion

3.	Which of the following is/are natural habitat(s) for conserving wildlife?
Answer» Which of the following is/are natural habitat(s) for conserving wildlife?

Discussion

4.	Explain soil profile
Answer» Explain soil profile

Discussion

5.	What is an electron configuration table?
Answer» What is an electron configuration table?

Discussion

6.	We are using a large number of substances such as lemon,orange juice,baking soda and vinegar in our daily life. Which of the following substance has a bitter taste?
Answer» We are using a large number of substances such as lemon,orange juice,baking soda and vinegar in our daily life. Which of the following substance has a bitter taste?

6.

We are using a large number of substances such as lemon,orange juice,baking soda and vinegar in our daily life. Which of the following substance has a bitter taste?

Answer»

We are using a large number of substances such as lemon,orange juice,baking soda and vinegar in our daily life. Which of the following substance has a bitter taste?

Discussion

7.	Question 5 Soil has particles of different sizes. Arrange the words given below in increasing order of their particle size.
Answer» Question 5 Soil has particles of different sizes. Arrange the words given below in increasing order of their particle size.

7.

Question 5 Soil has particles of different sizes. Arrange the words given below in increasing order of their particle size.

Answer»

Question 5

Soil has particles of different sizes. Arrange the words given below in increasing order of their particle size.

Discussion

8.	Ignition temperature is the lowest temperature at which a substance catches fire. Identify the correct option regarding the ignition temperature of a good fuel.
Answer» Ignition temperature is the lowest temperature at which a substance catches fire. Identify the correct option regarding the ignition temperature of a good fuel.

Discussion

9.	Describe the components that make up the soil.
Answer» Describe the components that make up the soil.

Discussion

10.	Question 9 (d) True or false? Grain and husk can be separated with the process of decantation.
Answer» Question 9 (d) True or false? Grain and husk can be separated with the process of decantation.

10.

Question 9 (d) True or false? Grain and husk can be separated with the process of decantation.

Answer»

Question 9 (d)

True or false?
Grain and husk can be separated with the process of decantation.

Discussion

11.	How much temperature can mercury withstand in a thermometer? Will the thermometer break due to very high temperatures?
Answer» How much temperature can mercury withstand in a thermometer? Will the thermometer break due to very high temperatures?

Discussion

12.	Heating will produce what sort of change?
Answer» Heating will produce what sort of change?

Discussion

13.	What is infiltration
Answer» What is infiltration

Discussion

14.	Question 12 (e) State whether the following statement is true or false. If false, correct it. Yak hair is not used to make woolen fabric.
Answer» Question 12 (e) State whether the following statement is true or false. If false, correct it. Yak hair is not used to make woolen fabric.

14.

Question 12 (e) State whether the following statement is true or false. If false, correct it. Yak hair is not used to make woolen fabric.

Answer»

Question 12 (e)

State whether the following statement is true or false. If false, correct it.
Yak hair is not used to make woolen fabric.

Discussion

15.	Classify bases. [3 MARKS]
Answer» Classify bases. [3 MARKS]

Discussion

16.	Question 3(c) Fill in the blanks in the following statements: Two methods by which rusting of iron can be prevented are ___ and ___.
Answer» Question 3(c) Fill in the blanks in the following statements: Two methods by which rusting of iron can be prevented are ___ and ___.

Discussion

17.	Which metal is used to galvanise iron to protect it from rust
Answer» Which metal is used to galvanise iron to protect it from rust

Discussion

18.	A vendor selling juice uses a strainer to separate the pulp from the juice. The method of separation used by him is ___
Answer» A vendor selling juice uses a strainer to separate the pulp from the juice. The method of separation used by him is ___

Discussion

19.	Is there any base to neutralize citric acid ? If there any base then what is it
Answer» Is there any base to neutralize citric acid ? If there any base then what is it

Discussion

20.	What do we understand by flammability of substance?
Answer» What do we understand by flammability of substance?

Discussion

21.	What is the source of litmus solution? What colour does it exhibit in acidic and basic solution? [2 MARKS]
Answer» What is the source of litmus solution? What colour does it exhibit in acidic and basic solution? [2 MARKS]

Discussion

22.	The Atomic number for a neutral atom could be equalized to
Answer» The Atomic number for a neutral atom could be equalized to

Discussion

23.	The South Asian countries that have still polio cases are
Answer» The South Asian countries that have still polio cases are

Discussion

24.	___ method is suited for separating the component substances from a liquid mixture by selective evaporation and condensation.
Answer» ___ method is suited for separating the component substances from a liquid mixture by selective evaporation and condensation.

Discussion

25.	If one end of a piece of a metal is heated, the other end becomes hot after some time. This is due to [CBSE PMT 1995]
Answer» If one end of a piece of a metal is heated, the other end becomes hot after some time. This is due to [CBSE PMT 1995]

25.

If one end of a piece of a metal is heated, the other end becomes hot after some time. This is due to [CBSE PMT 1995]

Answer»

If one end of a piece of a metal is heated, the other end becomes hot after some time. This is due to

[CBSE PMT 1995]

Discussion

26.	Which of the following statements are true regarding the oxygen atom?
Answer» Which of the following statements are true regarding the oxygen atom?

Discussion

27.	The main property of an alkali which differentiates it from a base is
Answer» The main property of an alkali which differentiates it from a base is

Discussion

28.	An unwanted particle inhaled by the nasal cavity:
Answer» An unwanted particle inhaled by the nasal cavity:

Discussion

29.	Match the following: Column - IColumn - IIA. Manganese 1. Vitamin A productionB. Copper2. Role in Nitrogen fixationC. Boron3. Photolysis of waterD. Molybdenum4. Acts as antifungal5. Required for pollen germination
Answer» Match the following: $\begin{matrix} Column - I & Column - II A . Manganese & 1. Vitamin A production B . Copper & 2. Role in Nitrogen fixation C . Boron & 3. Photolysis of water D . Molybdenum & 4. Acts as antifungal 5. Required for pollen germination \end{matrix}$

29.

Match the following: Column - IColumn - IIA. Manganese 1. Vitamin A productionB. Copper2. Role in Nitrogen fixationC. Boron3. Photolysis of waterD. Molybdenum4. Acts as antifungal5. Required for pollen germination

Answer»

Match the following:

$\begin{matrix} Column - I & Column - II A . Manganese & 1. Vitamin A production B . Copper & 2. Role in Nitrogen fixation C . Boron & 3. Photolysis of water D . Molybdenum & 4. Acts as antifungal 5. Required for pollen germination \end{matrix}$

Discussion

30.	Which one of the following phenomena would increase on raising the temperature?
Answer» Which one of the following phenomena would increase on raising the temperature?

Discussion

31.	Which of the following process releases nitrogen back into the atmosphere?
Answer» Which of the following process releases nitrogen back into the atmosphere?

Discussion

32.	1)State and explain in brief different methods to prevent rusting of iron 2)What is displacement reaction give an example
Answer» 1)State and explain in brief different methods to prevent rusting of iron 2)What is displacement reaction give an example

32.

1)State and explain in brief different methods to prevent rusting of iron 2)What is displacement reaction give an example

Answer»

1)State and explain in brief different methods to prevent rusting of iron

2)What is displacement reaction give an example

Discussion

33.	The term chemical formula mean
Answer» The term chemical formula mean

Discussion

34.	Identify the compound noun in the sentence. The gentleman spoke very politely to the young lady.
Answer» Identify the compound noun in the sentence. The gentleman spoke very politely to the young lady.

34.

Identify the compound noun in the sentence. The gentleman spoke very politely to the young lady.

Answer»

Identify the compound noun in the sentence.

The gentleman spoke very politely to the young lady.

Discussion

35.	Why do farmers use fertilizers
Answer» Why do farmers use fertilizers

Discussion

36.	The caterpillar completely covers itself by silk fibres and forms a covering. What is this covering known as?
Answer» The caterpillar completely covers itself by silk fibres and forms a covering. What is this covering known as?

Discussion

37.	How nutrients replenished in the soil
Answer» How nutrients replenished in the soil

Discussion

38.	An example in which both physical and chemical change occurs?
Answer» An example in which both physical and chemical change occurs?

Discussion

39.	Question 8 Unscramble the following jumbled words related to soil.
Answer» Question 8 Unscramble the following jumbled words related to soil.

39.

Question 8 Unscramble the following jumbled words related to soil.

Answer»

Question 8

Unscramble the following jumbled words related to soil.

Discussion

40.	Which of the following elements are said to have monoatomic molecule?
Answer» Which of the following elements are said to have monoatomic molecule?

Discussion

41.	During the manufacturing of soap, the stone powder and sodium silicate are added for:
Answer» During the manufacturing of soap, the stone powder and sodium silicate are added for:

Discussion

42.	Dalton's atomic theory postulates explanation
Answer» Dalton's atomic theory postulates explanation

Discussion

43.	What is depletion?
Answer» What is depletion?

Discussion

44.	If a 50g sample of soil absorbs 15mL of water, the percentage of moisture absorption is ___%.
Answer» If a 50g sample of soil absorbs 15mL of water, the percentage of moisture absorption is ___%.

Discussion

45.	Question 8 (c) Explain why: (c) Factory waste is neutralised before disposing it into the water bodies.
Answer» Question 8 (c) Explain why: (c) Factory waste is neutralised before disposing it into the water bodies.

Discussion

46.	A radioactive element X converts into another stable element Y. Half-life of X is 2 h. Initially only X is present. After time t, the ratio of atoms of X and Y is found to be 1 : 4, then t in hour is
Answer» A radioactive element X converts into another stable element Y. Half-life of X is 2 h. Initially only X is present. After time t, the ratio of atoms of X and Y is found to be 1 : 4, then t in hour is

Discussion

47.	What is a noble gas
Answer» What is a noble gas

Discussion

48.	It is said that :elements can't be divided into simpler parts but radioactive elements can be divided by the means of fusion so what does that mean what is wrong
Answer» It is said that :elements can't be divided into simpler parts but radioactive elements can be divided by the means of fusion so what does that mean what is wrong

Discussion

49.	Question 14 Match the items of Column I with the items given in Column II
Answer» Question 14 Match the items of Column I with the items given in Column II

49.

Question 14 Match the items of Column I with the items given in Column II

Answer»

Question 14

Match the items of Column I with the items given in Column II

Discussion

50.	Which of the following will not contribute to sewage water?
Answer» Which of the following will not contribute to sewage water?

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Pollution from animal excreta and organic waste from the kitchen can be most profitably minimized by:

Why in cars and buildings there are cylinders of carbon dioxide?

Which of the following is/are natural habitat(s) for conserving wildlife?

Explain soil profile

What is an electron configuration table?

We are using a large number of substances such as lemon,orange juice,baking soda and vinegar in our daily life. Which of the following substance has a bitter taste?

Question 5 Soil has particles of different sizes. Arrange the words given below in increasing order of their particle size.

Ignition temperature is the lowest temperature at which a substance catches fire. Identify the correct option regarding the ignition temperature of a good fuel.

Describe the components that make up the soil.

Question 9 (d) True or false? Grain and husk can be separated with the process of decantation.

How much temperature can mercury withstand in a thermometer? Will the thermometer break due to very high temperatures?

Heating will produce what sort of change?

What is infiltration

Question 12 (e) State whether the following statement is true or false. If false, correct it. Yak hair is not used to make woolen fabric.

Classify bases. [3 MARKS]

Question 3(c) Fill in the blanks in the following statements: Two methods by which rusting of iron can be prevented are ___ and ___.

Which metal is used to galvanise iron to protect it from rust

A vendor selling juice uses a strainer to separate the pulp from the juice. The method of separation used by him is ___

Is there any base to neutralize citric acid ? If there any base then what is it

What do we understand by flammability of substance?

What is the source of litmus solution? What colour does it exhibit in acidic and basic solution? [2 MARKS]

The Atomic number for a neutral atom could be equalized to

The South Asian countries that have still polio cases are

___ method is suited for separating the component substances from a liquid mixture by selective evaporation and condensation.

If one end of a piece of a metal is heated, the other end becomes hot after some time. This is due to [CBSE PMT 1995]

Which of the following statements are true regarding the oxygen atom?

The main property of an alkali which differentiates it from a base is

An unwanted particle inhaled by the nasal cavity:

Match the following: Column - IColumn - IIA. Manganese 1. Vitamin A productionB. Copper2. Role in Nitrogen fixationC. Boron3. Photolysis of waterD. Molybdenum4. Acts as antifungal5. Required for pollen germination

Which one of the following phenomena would increase on raising the temperature?

Which of the following process releases nitrogen back into the atmosphere?

1)State and explain in brief different methods to prevent rusting of iron 2)What is displacement reaction give an example

The term chemical formula mean

Identify the compound noun in the sentence. The gentleman spoke very politely to the young lady.

Why do farmers use fertilizers

The caterpillar completely covers itself by silk fibres and forms a covering. What is this covering known as?

How nutrients replenished in the soil

An example in which both physical and chemical change occurs?

Question 8 Unscramble the following jumbled words related to soil.

Which of the following elements are said to have monoatomic molecule?

During the manufacturing of soap, the stone powder and sodium silicate are added for:

Dalton's atomic theory postulates explanation

What is depletion?

If a 50g sample of soil absorbs 15mL of water, the percentage of moisture absorption is ___%.

Question 8 (c) Explain why: (c) Factory waste is neutralised before disposing it into the water bodies.

A radioactive element X converts into another stable element Y. Half-life of X is 2 h. Initially only X is present. After time t, the ratio of atoms of X and Y is found to be 1 : 4, then t in hour is

What is a noble gas

It is said that :elements can't be divided into simpler parts but radioactive elements can be divided by the means of fusion so what does that mean what is wrong

Question 14 Match the items of Column I with the items given in Column II

Which of the following will not contribute to sewage water?

Question 3(c) Fill in the blanks in the following statements: Two methods by which rusting of iron can be prevented are _ and _.