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Chemistry

Chemistry
KMnO4 can be used as a/an

Fertiliser
Pesticide
Insecticide
Disinfectant

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Chemistry
The hottest part of the gas flame is known as

luminous zone
dark zone
blue zone
non-luminous zone

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Chemistry
Inert gases are

Not stable
Chemically unreactive
Miscible with water
Chemically very active

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Chemistry
The components of water can be separated by

Chemical methods
Both A and B
Physical methods
They can not be separated

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Chemistry
The amount of chlorine available in water after disinfection is called as

Free chlorine
Residual chlorine
Combined available chlorine
Free available chlorine

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Chemistry
A fertile soil is likely to have a pH of

3
43989
9
14

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MORE MCQ ON Chemistry

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