NSTSE (National Science Talent Search Exam- Unified Council) Class 6: Questions 1791 - 1799 of 2029

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Question number: 1791

» Chemistry » Water

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MCQ▾

Question

At standard temperature and pressure (STP) water has what type of state?

Choices

Choice (4) Response

a.

Gas

b.

Liquid

c.

Solid

d.

Question does not provide sufficient data or is vague

Question number: 1792

» Chemistry » Air Around Us

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MCQ▾

Question

Which of the following is electronic configuration of Nitrogen?

Choices

Choice (4) Response

a.

2,5

b.

2,2, 2,1

c.

7

d.

5,2

Question number: 1793

» Chemistry » Air Around Us

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MCQ▾

Question

Nitrogen is in air.

Choices

Choice (4) Response

a.

21%

b.

78%

c.

87%

d.

83%

Question number: 1794

» Chemistry » Sorting Materials into Groups

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MCQ▾

Question

Which of the following materials has the lowest specific heat capacity among them?

Choices

Choice (4) Response

a.

Water

b.

Pure Water

c.

Iron

d.

Salty water

Question number: 1795

» Chemistry » Air Around Us

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MCQ▾

Question

Who discovered oxygen?

Choices

Choice (4) Response

a.

Yogesh Priestley

b.

Joseph Priestley

c.

Antoine Lavoisier

d.

All of the above

Question number: 1796

» Chemistry » Sorting Materials into Groups

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MCQ▾

Question

Mixture does not have any set of property.

Choices

Choice (4) Response

a.

Specific

b.

Two

c.

Special

d.

Question does not provide sufficient data or is vague

Question number: 1797

» Chemistry » Sorting Materials into Groups

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MCQ▾

Question

In which of the following slow evaporation takes place?

Choices

Choice (4) Response

a.

Evaporation

b.

Centrifugation

c.

Distillation

d.

Crystallization

Question number: 1798

» Chemistry » Sorting Materials into Groups

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MCQ▾

Question

In sedimentation the liquid obtained is called .

Choices

Choice (4) Response

a.

Sediment liquid

b.

Pure liquid

c.

Supernatant liquid

d.

All of the above

Question number: 1799

» Chemistry » Sorting Materials into Groups

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MCQ▾

Question

Which of the following factors affect the solubility of a substance?

Choices

Choice (4) Response

a.

Size of solute particles

b.

Stirring

c.

Temperature

d.

All a. , b. and c. are correct

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