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Chemistry

Chemistry
Which of the following fibres catches fire least ?

Nylon
Rayon
Terricot
Cotton

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Chemistry
Which one of the following contains maximum percentage of carbon ?

Stainless steel
Wrought iron
High speed steel
Cast iron

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Chemistry
The first metal used by man was

iron
bronze
copper
gold

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Chemistry
Vulcanized rubber contains sulphur

10-15%
0.02
3-5%
7-9%

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Chemistry
In organic compounds, nitrogen is estimated by

Victor-Meyer's method
Dumas method
Liebig's method
Carius method

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Chemistry
Coal is formed from

Crude oil
Compressed and hardened biomass
Coke
Deposit of animal waste

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MORE MCQ ON Chemistry

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