[VSQ]Chemistry Q&A For All Competitive Exam||Set 15

Chemistry Q&A For All Competitive Exam

✱✱Q1.

Carbon occur in the nature in the purest form as?

⇒Diamond

✱✱Q2.

Oxidation is defined as -----

⇒Loss of electrons

✱✱Q3.

In nuclear reactor, chain reaction is controlled by using _____ .

⇒Cadmium rod

✱✱Q4.

The radioactive element most commonly detected in humans is _____ .

⇒Potassium – 40

✱✱Q5.

Natural rubber is a polymer derived from ______.

⇒Isoprene

✱✱Q6.

‘Oil of Vitriol’ is ______ .

⇒Sulphuric acid

✱✱Q7.

Efficiency of the catalyst depends on its?

⇒Molecular State

✱✱Q8.

Most of the explosions in mines occurs due to mixing of ______ .

⇒Methane with air

✱✱Q9.

Vinegar is an aqueous solution of ______ .

⇒Acetic acid

✱✱Q10.

Kerosene is a mixture of _____ .

⇒Aliphatic hydrocarbons

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