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Chemistry

Chemistry
One carat of diamond is equal to

100 mg
250 mg
150 mg
200 mg

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Chemistry
Which one is the most reactive gaseous element

Bromine
Iodine
Flourine
Chlorine

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Chemistry
Commonly used antiseptic 'Dettol' is a mixture of

Chloroxylenol + terepineol
O-chlorophenoxylenol + terepineol
O-cresol + terepineol
Phenol + terepineol

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Chemistry
Sulphur dioxide present in the industrial chimney exhaust causes

Corrosion building materials
Respiratory and lung disease
All of these
Reduction in plant's productivity owing to acid rain

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Chemistry
The major component in the LPG is

Butane
Ethane
Methane
Propane

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Chemistry
The coating of a thin layer of zinc on steel or iron objects is known as

Galvanising
Electroplating
Hot dipping
Tinning

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MORE MCQ ON Chemistry

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