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Chemistry

Chemistry
Which of the following fibres catches fire least ?

Rayon
Cotton
Terricot
Nylon

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Chemistry
Which of the following acts as best adsorbent?

Activated Coconut Charcoal
Activated Charcoal
Carbon black
Charcoal

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Chemistry
Extensively used nitrogenous fertilizer is

Ammonium nitrate
Ammonium sulphate
Urea
Nitro-lime

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Chemistry
Helium is added to the oxygen supply of deep sea divers because it is

Less poisonous than nitrogen
Readily miscible with oxygen
Less soluble in blood than nitrogen at high pressure
Lighter than nitrogen

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Chemistry
The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is

hydrogen
nitrogen
oxygen
carbon

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Chemistry
Acid rain is caused by

SO2 and NO2
CO2and CFCs
SO2 and particulates
NO2and particulates

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MORE MCQ ON Chemistry

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