8. Chemistry in Everyday's Life

Question 1

Which of the following
destroys the ozone layer?

Answer 1

chlorine and bromine atoms

Question 2

Which of the following acid is
found in Apple and Bananas

Answer 2

Malic Acid

Question 3

What is the dominant chemical
present in Vinegar

Answer 3

Ethanoic Acid

Question 4

A traditional ‘Battery’ contains
which of the following chemicals

Answer 4

Sulphuric Acid

Question 5

What is the dominant chemical
present in detergent powder?

Answer 5

Sodium Carbonate

Question 6

Which of the following gases
has an odour that is similar to the
odour of rotten eggs

Answer 6

Hydrogen Sulphide

Question 7

Which of the following gas
causes rancidity in food products?

Answer 7

Rancidity

Question 8

Which of the following
chemical compounds is used as a
preservative in pickle ?

Answer 8

Sodium Benzoate

Question 9

Which of the following
substances is used as a substitute for chlorine in bleaching

Answer 9

Hydrogen Peroxide

Question 10

When we cut an onion, the
synthase enzyme converts the amino acid sulfoxides of the onion into which acid?

Answer 10

Sulfenic Acid

Question 11

Which of the following is the
major component of vinegar?

Answer 11

Acetic Acid

Question 12

The organic acids found in grapes are

Answer 12

Tartaric, Malic, Citric

Question 13

Ozone at the higher level of the
atmosphere is a product of ______
acting on oxygen molecules

Answer 13

UV radiation

Question 14

Oxalic Acid Is Found In

Answer 14

Spinach