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Chemistry

Chemistry
The drug ‘Marijuana’ is a

Sedative
Tranquillizer
Hallucinating substance
Mental stimulant

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Chemistry
Which of the following is a natural dye ?

Alizarin
Crystal violet
Aniline blue
Phenolphthalein

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Chemistry
In electro-refining, the pure metal is deposited on

Cathode
Electrolyte
Anode
Vessel

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Chemistry
Which among the following is a carbohydrate ?

Hydrogen peroxide
Turpentine
Cane-sugar
Nylon

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Chemistry
In addition to hydrogen, the other abundant element present on Sun’s surface is

Neon
Oxygen
Helium
Argon

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Chemistry
When a bond is formed between two atoms, the energy of the system will

May increase or decrease
Increase
Decrease
Remain the same

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