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Chemistry

Chemistry
The hardest form of carbon is

graphite
coke
diamond
charcoal

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Chemistry
One carat of diamond is equal to

150 mg
250 mg
200 mg
100 mg

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Chemistry
Sulphur dioxide present in the industrial chimney exhaust causes

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

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Chemistry
Aspirin is common name of

Acetyl Salicylic Acid
Salicylate
Methyl Salicylate
Salicylic Acid

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Chemistry
Which of the following electrodes is used in strongly alkaline solution

Silver - silver chloride electrode
Mercury - mercurous sulphate electrode
Mercury - mercuric oxide electrode
Mercury - mercurous chloride electrode

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Chemistry
Water can be separated from alcohol water mixture by

Decantation
Sublimation
Distillation
Evaporation

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