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Chemistry

Chemistry
The most volatile of the given liquids is

Ether
Liquid
Liquid NH3
Liquid He

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Chemistry
The mass number of an atom is equal to

the number of neutrons
the number of protons
the number of nucleons
the number of protons and electrons

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Chemistry
Baking soda is :

Sodium hydroxide
Potassium carbonate
Sodium carbonate
Sodium bicarbonate

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Chemistry
Which colour is produce by Arsenic during flame test

Crimson
Red
Blue
Green

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Chemistry
The most commonly used chemicals in the artificial rainmaking or cloud seeding are

Dry Ice (Frozen CO2)
Sodium Chloride (NaCl)
Silver Iodide (Ag I)
All of these

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Chemistry
The element used in the manufacture of safety matches is

Phosphorous
Silicon
Magnesium
Sulphur

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MORE MCQ ON Chemistry

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