Basic Concepts in Chemistry (KVPY Stream-SA (Class 11) Chemistry): Questions 7 - 12 of 17

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Question number: 7

» Basic Concepts in Chemistry » Empirical and Molecular Formulae

Appeared in Year: 2012

MCQ▾

Question

The value of ‘x’ in KAl (SO4) x. 12H2O is:

Choices

Choice (4) Response

a.

1

b.

3

c.

2

d.

4

Question number: 8

» Basic Concepts in Chemistry » Mole Concept

Appeared in Year: 2010

MCQ▾

Question

The molar mass of CaCO3 is 100 g. The maximum amount of carbon dioxide that can be liberated on heating 25 g of CaCO 3 is -

Choices

Choice (4) Response

a.

11 g

b.

2.2 g

c.

22 g

d.

55 g

Question number: 9

» Basic Concepts in Chemistry » Chemical Equations and Stoichiometry

Appeared in Year: 2015

MCQ▾

Question

The gas released when baking soda is mixed with vinegar is

Choices

Choice (4) Response

a.

CO2

b.

CO

c.

CH4

d.

O2

Question number: 10

» Basic Concepts in Chemistry » Atomic and Molecular Masses

Appeared in Year: 2015

MCQ▾

Question

Mendeleev’s periodic law states that the properties of elements are a periodic function of their

Choices

Choice (4) Response

a.

Electronic configuration

b.

Reactivity of elements

c.

Atomic mass

d.

Atomic size

Question number: 11

» Basic Concepts in Chemistry » Chemical Equations and Stoichiometry

Appeared in Year: 2015

MCQ▾

Question

The major products of the following reaction

ZnS(s)+O2(g)heat?

Choices

Choice (4) Response

a.

ZnOandSO2

b.

ZnSO4andSO3

c.

ZnSO4andSO2

d.

ZnandSO

Question number: 12

» Basic Concepts in Chemistry » Empirical and Molecular Formulae

Appeared in Year: 2014

MCQ▾

Question

What is the equivalent weight of HNO3 in the following reaction?

HNO3+H2SH2O+NO+S

Choices

Choice (4) Response

a.

33

b.

21

c.

11.5

d.

Question does not provide sufficient data or is vague

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