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Chemistry

Chemistry
Which of the following metals is not a pollutant ?

Lead
Arsenic
Aluminium
Mercury

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Chemistry
The most abundant rare gas in the atmosphere is

Ar
Ne
He
Xe

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Chemistry
The heat required to raise the temperature of body by 1 K is called

thermal capacity
water equivalent
None of these
specific heat

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Chemistry
Silk fibre chemically is :

Cellulose
Carbohydrate
Fat
Protein

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Chemistry
The biogas used for cooking is a mixture of which of the following?

Methane and carbon monoxide
Isobutane and propane
Carbon dioxide and oxygen
Methane and carbon dioxide

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Chemistry
The gas used for artificial fruit ripening of green fruit is

Ethylene
Ethane
Acetylene
Methane

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MORE MCQ ON Chemistry

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