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Chemistry

Chemistry
Curd is sour due to presenceof

Oxalic acid
Lactic acid
Tartaric acid
Acetic acid

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Chemistry
Bleaching powder is prepared by passing :

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

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Chemistry
An inert gas mixed with oxygen given to patients suffering from restricted breathing is

Argon
Krypton
Helium
Radon

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Chemistry
Choose the incorrect statement pertaining to organic compounds

They are not easily combustible
They contain mainly carbon and hydrogen
They do not dissolve in water
They have low melting and boiling points

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Chemistry
Periodic table contains how many periods

10
7
8
6

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Chemistry
Which is not an anasthetic agent in surgical operations?

Ether
Chloroform
Nitrous oxide
Acetone

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