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Chemistry

Chemistry
Gypsum is used for improvement of:

Acidic soils
Alkaline soils
Podsols
Saline soils

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Chemistry
Which one of the following elements exhibits the greatest tendency to lose electrons ?

Zinc
Oxygen
Lithium
Fluorine

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Chemistry
The percentage of oxygen in air is approximately

0.21
0.01
0.78
1

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Chemistry
The purest form of water in nature is

Rain water
Sea water
Lake water
River water

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Chemistry
Haloarenes are more stable than haloalkanes due to

Hyper conjugative effect
Resonance effect
Inductive effect
All of them

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Chemistry
Detergents clean surfaces on the principle of

Floatation
Surface tension
Viscosity
Elasticity

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MORE MCQ ON Chemistry

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