Basic Concepts in Chemistry-Atomic and Molecular Masses [NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry]: Questions 8 - 13 of 13

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Question number: 8

» Basic Concepts in Chemistry » Atomic and Molecular Masses

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MCQ▾

Question

An organic compound made of contain 20 % nitrogen. What will be its molecular mass if it contains one nitrogen atom in it?

Choices

Choice (4)Response

a.

100

b.

65

c.

140

d.

70

Question number: 9

» Basic Concepts in Chemistry » Atomic and Molecular Masses

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MCQ▾

Question

The mass of carbon anode consumed in the production of bauxite by Hall process is?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 10

» Basic Concepts in Chemistry » Atomic and Molecular Masses

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MCQ▾

Question

Calculate the number of oxygen atoms in What would be the mass of having the same number of oxygen atoms?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 11

» Basic Concepts in Chemistry » Atomic and Molecular Masses

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MCQ▾

Question

One atom of an element weighs Calculate the number of gram atoms in of it?

Choices

Choice (4)Response

a.

400

b.

100

c.

4000

d.

1000

Question number: 12

» Basic Concepts in Chemistry » Atomic and Molecular Masses

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MCQ▾

Question

is allowed to react with for the following reaction?

What mass of will be left unreacted at the end of reaction?

Choices

Choice (4)Response

a.

2

b.

5

c.

3

d.

4

Question number: 13

» Basic Concepts in Chemistry » Atomic and Molecular Masses

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Appeared in Year: 2016

MCQ▾

Question

Suppose the elements X and Y combine to form two compounds XY2 and X3Y2. When 0.1 mole of XY2 and XY2 weights 10 g and 0.05 mole of X3Y2 weights 9 g, the atomic weights of X and Y are

Choices

Choice (4)Response

a.

60,40

b.

20,30

c.

30,20

d.

40,30

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