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Chemistry

Chemistry
The substance which does not expand on going from liquid state to solid state is

Cast-iron
Type metal
Aluminium
Water

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Chemistry
Photo-oxidation process is initiated by

Catalyst
Light
Oxygen
Heat

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Chemistry
Drinking soda is

Acidic
Oxidant
Neutral
Alkaline

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Chemistry
Which of the following is also used as a Bio fertilizer?

Uric Acid
Ammonia
Urea
None of these

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Chemistry
Which is the heaviest metal among the following?

Copper
Iron
Gold
Silver

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Chemistry
The monomers of dacron are

Decanone and decanol
Ethylene glygol and phthalic acid
Decane and decanol
Ethylene glycol and terephthalic acid

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