MEDIUM
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IMPORTANT
Earn 100

Regular intake of fresh fruits and vegetables is recommended in the diet since they are good sources of antioxidants. How do antioxidants help a person maintain health and promote longevity?

12.5% studentsanswered this correctly

Important Questions on Chemistry in Everyday Life

EASY
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IMPORTANT
Which one of the following types of glass can cut off ultraviolet rays?
MEDIUM
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IMPORTANT

Consider the following statements,

1. Baking soda is used in fire extinguishers.

2. Quick lime is used in the manufacturing of glass.

3. Gypsum is used in the manufacturing of plaster of Paris.

Which of the statements given above is/are correct?

HARD
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IMPORTANT

Consider the following statements,

1. Molten glass is cooled slowly and uniformly.

2. The process of slow and uniform cooling is known as annealing.

3. Soda glass is a mixture of sodium or calcium silicates.

Which of the statement(s) given above is/are true?

HARD
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IMPORTANT

Consider the following statements: 
1. Alpha-Naphthylthiourea is used to kill rats.
2. Rats not only destroy stocks of food, but they also spread diseases.

Which of the statement(s) given above is/are correct?

MEDIUM
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IMPORTANT

Consider the following beverages:

1. Rum

2. Cedar

3. Beer

4. Brandy

Which of the above is/are distilled beverages?

HARD
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IMPORTANT
The hair dye available in the market contains two bottles, one containing dye and other containing hydrogen peroxide. The bottles are mixed before applying the dye. The function of hydrogen peroxide is
HARD
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IMPORTANT

Consider the following statements,

1. Hard soaps (common bar soaps) are the sodium salts of fatty acids.

2. Soft soaps are the potassium salts of fatty acids and semi-solid in nature.

Which of the statement(s) given above is/are correct?

HARD
RRB Group D CBT
IMPORTANT

Consider the following statements,
1. Buna-S, known as vulcanized rubber, is used in manufacturing automobile tires.
2. Carbon fibres are stronger than steel and are used in the defence sector.
Which of the statements given above is/are incorrect?