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Chemistry

Chemistry
Catalytic converters are generally made from :

Transition metals
Hydrogen
Carbon
Alkaline metals

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Chemistry
Which acid is used in Lead storage battery?

Acetic acid
Nitric acid
Sulphuric acid
Hydrochloric acid

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Chemistry
The constituents of automobile exhaust that can cause cancer is/are :

Carbon monoxide
Polycyclic hydrocarbons
Lead
Oxides of nitrogen

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Chemistry
Which gas does not form the part of atmosphere ?

None of these
Nitrogen
Helium
Chlorine

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Chemistry
The metal chiefly used for galvanising iron is :

Cadmium
Tin
Zinc
Mercury

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Chemistry
Which one of the following organic compound is used to remove stains of iron compounds?

Phthalic acid
Cinnamic acid
Benzoic acid
Oxalic acid

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