BITSAT (Birla Institute of Technology & Science Admission Test) Chemistry: Questions 36 - 41 of 180

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Question 36

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 37

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 38

Question

MCQ▾

The uncertainity in position and velocity of particle are respectively calculate the mass of the particle.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 39

Question

MCQ▾

Spin magnetic moment is given by?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 40

Question

MCQ▾

″ The subshell with minimum energy is filled up first and when this obtains maximum quota of electron, then the next subshell of higher energy starts filling? This is

Choices

Choice (4)Response

a.

Aufbau principle

b.

Pauli՚s exclusion principle

c.

Hund՚s rule

d.

Question does not provide sufficient data or is vague

Question 41

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

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