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Chemistry

Chemistry
The natural source of hydro-carbon is

Carbohydrates
Coal
Biomass
Crude oil

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Chemistry
An element of atomic no. 29 belongs to

S-block
P-block
F-block
D-block

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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
Which one of the following is found in kidney stones?

Calcium acetate
Sodium chloride
Sodium oxalate
Calcium oxalate

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Chemistry
Cinnabar is an ore/mineral of

Lead
Molybdenum
Manganese
Mercury

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Chemistry
Spontaneous change is one in there is:

Increase in free energy
An increase in Internal energy
A lowering of entropy
A lowering of free energy

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MORE MCQ ON Chemistry

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