Basic Concepts in Chemistry [BITSAT (Birla Institute of Technology & Science Admission Test) Chemistry]: Questions 1 - 7 of 35

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Question 1

Basic Concepts in Chemistry

Question

MCQ▾

An aromatic molecule will

(1) Have (4n + 2) electrons

(2) Planar

(3) Be cyclic

(4) Have 4n electrons

Choices

Choice (4)Response

a.

1,2 and 3 are correct

b.

2 and 4 are correct

c.

1 and 2 are correct

d.

1 and 3 are correct

Question 2

Basic Concepts in Chemistry

Question

MCQ▾

Hydrogen and oxygen are combined in the ratio by mass in hydrogen peroxide. Calculate the percentage of hydrogen and oxygen in hydrogen peroxide?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 3

Basic Concepts in Chemistry

Question

MCQ▾

The equivalent weight of metal is double than that of oxygen. How many times is the weight of its oxide greater than the weight of metal?

Choices

Choice (4)Response

a.

3.5

b.

2.5

c.

1.5

d.

0.5

Question 4

Basic Concepts in Chemistry

Question

MCQ▾

Which of the following property is known as extensive property of matter?

Choices

Choice (4)Response

a.

Density

b.

Volume

c.

Melting point

d.

Colour

Question 5

Basic Concepts in Chemistry

Question

MCQ▾

From of molecules are removed. How many moles of are left?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 6

Basic Concepts in Chemistry

Question

MCQ▾

Calculate the mass of gram molecule of sulphuric acid?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 7

Basic Concepts in Chemistry

Question

MCQ▾

An organic compound containing C and H has carbon. What is it՚s empirical formula?

Choices

Choice (4)Response

a.

b.

c.

d.

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