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Chemistry

Chemistry
The substance which does not expand on going from liquid state to solid state is

Type metal
Water
Aluminium
Cast-iron

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Chemistry
The fat of a common mussel-secretes a sticky glue that can be used to make heart implants. The unique chemical compound present in the glue is:

Phenyl alanine
Hydroxy phenyl alanine
Dihydroxy phenyl alanine
Amino phenyl alanine

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Chemistry
The maximum number of covalent formed by nitrogen is

4
3
1
2

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Chemistry
Which of the following is the main nitrogenous waste in humans ?

Uric Acid
Ammonium Nitrate
Urea
Ammonia

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Chemistry
Who first published the periodic table

Henry Moseley
John Dalton
Dmitri Mendeleev
Julius Lothar Meyer

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Chemistry
The residue left after extracting juice from sugarbeet and sugarcane is called

Whey
Biomass
Bagasse
Molasses

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MORE MCQ ON Chemistry

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