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Chemistry

Chemistry
Which of the following produces highest amount of energy upon oxidation?

Fat
An alkane
Glucose
Protein

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Chemistry
Which metal is the heaviest in periodic table among the following ?

Os
Pb
Pt
W

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Chemistry
Silver nitrate solution is kept in brown bottles in laboratory because

Brown bottles stops the passage of light through it
Brown bottles react with it
It reacts with ordinary white bottles
Brown bottles do not react with it

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Chemistry
Bee sting contains

A salt solution
A corrosive liquid
An alkaline liquid
An acidic liquid

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Chemistry
The first organic compound synthesised in the laboratory was

Urea
Uric acid
Lactic acid
Glucose

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Chemistry
This group of alumino-silicate minerals is widely used in making electrical insulators

Mica
Chromite
Manganese
Bauxite

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