Basic Concepts in Chemistry-Concept of Atom, Molecule, Element and Compound (KVPY Stream-SA (Class 11) Chemistry): Questions 1 - 3 of 3

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Question number: 1

» Basic Concepts in Chemistry » Concept of Atom, Molecule, Element and Compound

Appeared in Year: 2012

MCQ▾

Question

The number of electrons plus neutrons in 1940K+ is

Choices

Choice (4) Response

a.

40

b.

38

c.

39

d.

59

Question number: 2

» Basic Concepts in Chemistry » Concept of Atom, Molecule, Element and Compound

Appeared in Year: 2015

MCQ▾

Question

If Avogadro’s number is A0, the number of Sulphur atoms present in 200 mL is 1 N H2SO4 is-

Choices

Choice (4) Response

a.

A02

b.

A05

c.

A010

d.

A0

Question number: 3

» Basic Concepts in Chemistry » Concept of Atom, Molecule, Element and Compound

Appeared in Year: 2013

MCQ▾

Question

The pair of atoms having the same number of neutrons is

Choices

Choice (4) Response

a.

2311Na3919K

b.

126C2412Mg

c.

2311Na2412Mg

d.

2311Na199F

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