NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1905 - 1911 of 2000

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Question number: 1905

» Chemistry » Structure of the Atom

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MCQ▾

Question

Which of the following has completed shell completed in electronic configuration?

Choices

Choice (4) Response

a.

Magnesium

b.

Calcium- Ca

c.

d.

Aluminium

Question number: 1906

» Chemistry » Matter

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MCQ▾

Question

Select the one element from the following which has neither a definite shape & volume?

Choices

Choice (4) Response

a.

Hydrogen

b.

Iodine

c.

Lithium

d.

Sodium

Question number: 1907

» Chemistry » Matter

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MCQ▾

Question

The thermal energy of body increases when ________?

Choices

Choice (4) Response

a.

Potential energy of the body increases

b.

Mechanical Potential energy of the body decreases

c.

Kinetic energy of molecules in the body increases

d.

Kinetic energy of the body decreases

Question number: 1908

» Chemistry » Atoms & Molecules

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MCQ▾

Question

Calculate the number of moles in zinc present in

Choices

Choice (4) Response

a.

2.27

b.

0.28

c.

d.

0.44

Question number: 1909

» Chemistry » Matter

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MCQ▾

Question

At________ temperature, all gases occupy zero volume?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1910

» Chemistry » Structure of the Atom

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MCQ▾

Question

Calculate the frequency and wave number of radiation with wavelength ?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1911

» Chemistry » Matter

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MCQ▾

Question

Identify the S. I unit of temperature?

Choices

Choice (4) Response

a.

Fahrenheit

b.

Kelvin

c.

Centigrade

d.

All of the above

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