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Chemistry

Chemistry
The polymer obtained by the condensation of hexamethylene diamine and adipic acid is :

Nylon 66
Tollen's
Bakelite
Terylene

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Chemistry
Smoke is formed due to

Gas dispersed in gas
Solid dispersed in gas
Solid dispresed in liquid
Gas dispresed in solid

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Chemistry
Which of the following has least negative electron gain enthalpy

P
F
Cl
S

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Chemistry
Number of neutrons in an atom of hydrogen is

Three
One
Zero
Two

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Chemistry
Ozone layer of atmosphere absorbs:

All radiations of Light
Cosmic rays.
Ultraviolet rays
Infra-red rays

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Chemistry
The major use of sulphur is in the manufacture of

Fungicide
H2SO4
H2S
SO2

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