States of Matter (NEET (National Eligibility cum Medical Entrance Test) Chemistry): Questions 103 - 104 of 104

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Question number: 103

» States of Matter » Solid State » Voids

MCQ▾

Question

Which of the following crystal has the Antifluorite structure?

Choices

Choice (4) Response

a.

Na2O

b.

HgS

c.

AgCl

d.

AgI

Question number: 104

» States of Matter » Solid State » Classification of Solids

Appeared in Year: 2016

MCQ▾

Question

The decomposition of phosphine (PH3) on tungsten at low pressure is a first-order reaction. It is because the

Choices

Choice (4) Response

a.

Rate is inversely proportional to the surface coverage

b.

Rate is proportional to the surface coverage

c.

Rate is independent of the surface coverage

d.

Rate of decomposition is very slow

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