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Chemistry

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

Tollen's
Terylene
Bakelite
Nylon 66

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Chemistry
The alkaloid naturally found in coffee, cocoa and cola nut is

Cocaine
Caffeine
Morphine
Tannin

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Chemistry
Carbon monoxide is an inflammable gas. Which one of the following is also inflammable?

Hydrogen
Helium
Nitrogen
Oxygen

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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 do not react with it
It reacts with ordinary white bottles
Brown bottles react with it

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Chemistry
The third shell of an atom can have a maximum of ______ electrons

18
15
13
21

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Chemistry
Which one of the following minerals is found in Monazite sand ?

Potassium
Thorium
Sodium
Uranium

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