Basic Concepts in Chemistry-Atomic and Molecular Masses [BITSAT (Birla Institute of Technology & Science Admission Test) Chemistry]: Questions 1 - 9 of 14

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Question 1

Question MCQ▾

Calculate the mass of gram molecule of sulphuric acid?

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Choice (4)Response

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c.

d.

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Question 2

Question MCQ▾

A piece of copper weighs How many atoms of copper does it contain?

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Choice (4)Response

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b.

c.

d.

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Question 3

Question MCQ▾

The maximum number of molecular present in which of the following gases?

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b.

c.

d.

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Question 4

Question MCQ▾

What is the mass of molecules of ammonia?

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Question 5

Question MCQ▾

of a compound on vaporization in Victor Meyer՚s apparatus displaces of are measured at STP. The molecular mass of the compound is?

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Choice (4)Response

a.

58

b.

44.8

c.

46.4

d.

116

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Question 6

Question MCQ▾

Calculate the mass of 2.5 gram atoms of oxygen?

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Choice (4)Response

a.

80.0g

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c.

d.

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Question 7

Question MCQ▾

Boron has two isotope boron -10 and boron -11 whose percentage abundance are 19.6% and 80.4% respectively. What is the average atomic mass of carbon?

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Question 8

Question MCQ▾

Grams of contains mol chlorine then its molecular mass is?

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Question 9

Question MCQ▾

The oxide of an element contains percent of the element and the vapor density of its chloride is 79. Calculate the atomic mass of the element?

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Choice (4)Response

a.

20.3

b.

26.9

c.

18.4

d.

15.28

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