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Chemistry

Chemistry
Polythene is polymer of

Acetylene
Ethylene
Propylene
Aniline

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Chemistry
Which of the following is used to denature ethanol ?

Phenol
Methyl alcohol
Methane
Propyl alcohol

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Chemistry
A detergent is a

Drug
Catalyst
Cleansing agent
Soap

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Chemistry
The trans-uranium elements are the chemical elements with atomic numbers greater than

86
89
96
92

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Chemistry
Coal is formed from

Coke
Deposit of animal waste
Compressed and hardened biomass
Crude oil

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Chemistry
The element with highest first ionisation energy is

Helium
Hydrogen
Lithium
Sodium

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