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Chemistry

Chemistry
Identify the metal which is non toxic in nature.

Cadmium
Gold
Chromium
Cobalt

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Chemistry
Cyanide poisoning causes death in seconds because

It causes cardiac arrest
It breaks the electron transport chain
It causes Lysis of red blood cells
It denatures enzymes of the heart/muscle

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Chemistry
The manufacturing of iron from iron ore involves the process of

Electrolysis
Fractional distillation
Oxidation
Reduction

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Chemistry
The heaviest naturally occurring element is:

Uranium
Polonium
Mercury
Thorium

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Chemistry
Vinegar is an aqueous solution of

Oxalic acid
Acetic acid
Citric acid
Hydrochloric acid

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Chemistry
Which of the following gases is present under pressure in soft drinks?

Carbon dioxide
Oxygen
Nitrous oxide
Nitrogen

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