91.
The chemical used for cloud seeding for artificial rains is

92.
Which of the following is used as anesthetic ?

93.
Aspirin is chemically known as

94.
Gypsum is used for improvement of:

95.
Which of the following laser types is used in a laser printer?

96.
The chemical that is used to ripen mangoes is

97.
Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as

98.
Which of the following is used to remove ink and rust stains on cloth?

100.
The chemical name of 'laughing gas' is