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Chemistry

Chemistry
Which is a natural colloid ?

Cane-sugar
Blood
Sodium chloride
Urea

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Chemistry
In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins?

Copper
Aluminium
Iron
Titanium

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Chemistry
Entropy of Universe is always

Decreasing
Constant
Increasing
Zero

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Chemistry
The hottest part of the gas flame is known as

non-luminous zone
dark zone
blue zone
luminous zone

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Chemistry
An element of atomic no. 29 belongs to

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

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Chemistry
The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is

Carbene
Carbocation
Free radical
Carbanion

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MORE MCQ ON Chemistry

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