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Chemistry

Chemistry
Which one element from below list is liquid at room temperature

Bromine
Argon
Lead
Zinc

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Chemistry
During fermentation of sugar, the compound which is always formed is :

Acetic Acid
Ethyl Alcohol
Ethylene
Methyl Alcohol

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Chemistry
If the sewage is fully oxidized, the nitrogen is in the form of

Ammonia
Nitrites
Nitrates
Nitramines

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Chemistry
Which one of the following nonmetals shows allotropy in the liquid state?

Carbon
Phosphorous
Bromine
Sulphur

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Chemistry
One of the following is used to dissolve noble metals. That is

Sulphuric acid
Aqua ragia
Hydrochloric acid
Nitric acid

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Chemistry
Spontaneous change is one in there is:

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

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MORE MCQ ON Chemistry

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