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Chemistry

Chemistry
Identify the metal which is non toxic in nature.

Chromium
Cobalt
Cadmium
Gold

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

Methyl Alcohol
Ethylene
Ethyl Alcohol
Acetic Acid

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Chemistry
Iodine can be separated from a mixture of Iodine and Potassium Chloride by

Distillation
Sedimentation
Sublimation
Filtration

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

Argon
Neon
Helium
Oxygen

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Chemistry
When a spoon is to be electroplated with nickel the spoon is

Made cathode and a pure nickel red, the anode
Made anode and a pure nickel rod, the cathode
Dipped in a nickel sulphate solution
Coated with nickel sulphate and dried

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Chemistry
The nucleus of a hydrogen atom consists of

1 neutron only
1 electron only
1 proton only
1 proton + 2 neutron

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