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Chemistry

Chemistry
What are the number of moles of CO2 which contains 16 g of oxygen?

0.5 mole
0.4 mole
0.2 mole
0.25 mole

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Chemistry
One of the constituents of tear gas is

Ethanol
Chloropicrin
Ethane
Ether

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Chemistry
Stainless steel is an alloy of

Carbon and iron
Chromium, carbon and iron
Chromium and carbon
Chromium and iron

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Chemistry
The property of hydrogen which distinguishes it from alkali metals is

Its affinity for non-metal
Its reducing character
Its non-metallic character
Its electropositive character

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Chemistry
The acid which fails to liberate carbon dioxide from sodium bicarbonate is :

Acetic acid
Formic acid
Sulphuric acid
Carbonic acid

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Chemistry
Depletion of ozone layer causes

Blood cancer
Lung cancer
Breast cancer
Skin cancer

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MORE MCQ ON Chemistry

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