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Chemistry

Chemistry
The green colour seen in firework displays is due to the chloride salt of :

Calcium
Sodium
Strontium
Barium

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Chemistry
Chloroform can be used as

Antimalarial
Anaesthetic
Analgesic
Antibiotic

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Chemistry
The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is

x/6
7.2 x
5x
5x/36

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Chemistry
Which one of the following is commonly used for pulp bleaching in the paper industry?

Glucose isomerase
Hydrogen peroxide
Mild sulphuric acid
Iodine and water

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Chemistry
During fermentation of sugar, the compound which is always formed is :

Ethylene
Methyl Alcohol
Acetic Acid
Ethyl Alcohol

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Chemistry
Commercially, sodium bicarbonate is known as

Bleaching powder
Baking soda
Soda ash
Washing soda

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MORE MCQ ON Chemistry

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