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Chemistry

Chemistry
Select the one which is not a mixture :

LPG
Distilled water
Air
Gasoline

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Chemistry
Which one of the following is used as an anti-freeze for the automobile engines ?

Methanol
Propyl alcohol
Ethanol
Ethylene glycol

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Chemistry
Which one of the following metals is used to galvanise iron ?

Mercury
Lead
Copper
Zinc

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Chemistry
Trinitrotoluene is

Used to fuse two metals
Used to melt metals
Used as an abrasive
Used as an explosive

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Chemistry
The smog is essentially caused by the presence of

O2 and O3
Oxides of N and S
O2 and N2
O3 and N2

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Chemistry
Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives

Copper at anode and oxygen at cathode.
Copper at cathode and oxygen at anode
Hydrogen at cathode and oxygen at anode
Copper at cathode and anodes dissolve to give copper

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