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Chemistry

Chemistry
Which one is a naturally occuring noble gas

Potassium
Boron
Argon
Sodium

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Chemistry
Quartz is a crystalline form of

Limestone
Alumina
Silica
Glass

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Chemistry
In vulcanisation process, rubber can be hardened by adding

Sulphur
Nitrogen
Silicon
Alcohol

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Chemistry
Which of the following is used to increase the anti-knocking property of petrol ?

Triethyl lead
Tetramethyl lead
Tetraethyl lead
Trimethyl lead

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Chemistry
Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of

Closed system
Isobaric system
Open system
Isothermal system

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Chemistry
Which of the following is the strongest base in aqueous solution ?

Diethylamine
Ethylamine
Triethylamine
Ammonia

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MORE MCQ ON Chemistry

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