Basic Concepts in Chemistry (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Chemistry): Questions 14 - 17 of 17

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Question number: 14

» Basic Concepts in Chemistry » Physical Quantities and Measurements

Appeared in Year: 2012

MCQ▾

Question

mong the quantities, density (ρ), temperature (T), enthalpy (H), heat capacity (Cp), volume (V) and pressure (P), a set of intensive variables are:

Choices

Choice (4) Response

a.

(ρ, T, H)

b.

(H, T, V)

c.

(ρ, T, P)

d.

(V, T, Cp)

Question number: 15

» Basic Concepts in Chemistry » Atomic and Molecular Masses

Appeared in Year: 2012

MCQ▾

Question

The weight of calcium oxide formed by burning 20 g of calcium in excess oxygen is:

Choices

Choice (4) Response

a.

56 g

b.

28 g

c.

72 g

d.

36 g

Question number: 16

» Basic Concepts in Chemistry » Atomic and Molecular Masses

Appeared in Year: 2015

MCQ▾

Question

The percentage of nitrogen by mass in ammonium sulphate is closest to (atomic masses H = 1, N = 14,0 = 16, S = 32)

Choices

Choice (4) Response

a.

36%

b.

16%

c.

21%

d.

24%

Question number: 17

» 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.

b.

c.

d.

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