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Chemistry

Chemistry
A subshell with l=2 can take up

3 electron
10 electron
8 electron
5 electron

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Chemistry
Silicon is a

Insulator
Semiconductor
Conductor
Nonconductor

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Chemistry
Which of the following could be used as fuel in propellant or rockets ?

Liquid Hydrogen + Liquid Nitrogen
Liquid Hydrogen + Liquid Oxygen
Liquid Oxygen + Liquid Argon
Liquid Nitrogen + Liquid Oxygen

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Chemistry
Persons working in cement plants and lime stone quarries are prone to disease like

Cancer
Asthma
Pneumoconiosis
Silicosis

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Chemistry
Wood spirit is

Butyl alcohol
Methyl alcohol
Ethyl alcohol
Propyl alcohol

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Chemistry
Terylene is a condensation polymer of ethylene glycol and which acid?

Benzoic Acid
Phthalic acid
Terephthalic acid
Salicylic acid

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MORE MCQ ON Chemistry

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