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Chemistry

Chemistry
Submarines move under water. They have engines that run on

Steam
Batteries
Diesel
Petrol and oxygen

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Chemistry
The maximum number of isomers for an alkene with molecular formula C4H8 is

3
4
5
2

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Chemistry
Sour taste of ‘Coca Cola’ is due to the presence of

Hydrochloric acid
Acetic acid
Formic acid
Phosphoric acid

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Chemistry
Which of the following is used to iodise common salt ?

Sodium iodide
Iodine
Potassium iodate
Potassium iodide

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Chemistry
Bleaching powder is prepared by passing :

Carbon dioxide over slaked lime
Chlorine over slaked lime
Chlorine over quick lirne
Oxygen over slaked lime

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Chemistry
The most volatile of the given liquids is

Ether
Liquid NH3
Liquid He
Liquid

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