NSTSE (National Science Talent Search Exam- Unified Council) Class 6: Questions 1710 - 1717 of 2029

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Question number: 1710

» Chemistry » Water

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Question

Complete the following reaction

C + H2O (steam) →

Choices

Choice (4) Response

a.

CH3 + O2

b.

CH4 + O2

c.

CO2+ + H2

d.

CO + H2

Question number: 1711

» Chemistry » Air Around Us

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Question

Which property is similar in rusting and burning?

Choices

Choice (4) Response

a.

Needs oxygen

b.

They forms oxide

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question number: 1712

» Chemistry » Sorting Materials into Groups

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Question

Which of the following process should be used to separate sugar dissolved in water?

Choices

Choice (4) Response

a.

Fractional distillation

b.

Filtration

c.

Evaporation

d.

Sedimentation and decantation

Question number: 1713

» Chemistry » Air Around Us

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Question

Which gas is used in respiration?

Choices

Choice (4) Response

a.

Nitrogen

b.

Oxygen

c.

Hydrogen

d.

Question does not provide sufficient data or is vague

Question number: 1714

» Chemistry » Sorting Materials into Groups

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Question

Mixture of solid and gas is always .

Choices

Choice (4) Response

a.

Homogenous mixture

b.

Heterogeneous mixture

c.

All of the above

d.

Question does not provide sufficient data or is vague

Question number: 1715

» Chemistry » Water

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MCQ▾

Question

Which of the factors affect the solubility?

Choices

Choice (4) Response

a.

Mixture type

b.

Temperature

c.

Latent Heat

d.

Anomalous Behavior

Question number: 1716

» Chemistry » Water

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MCQ▾

Question

A 50gm of sugar is added to 50gm of water then concentration will be

Choices

Choice (4) Response

a.

20%

b.

50%

c.

40%

d.

100%

Question number: 1717

» Chemistry » Water

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MCQ▾

Question

What is the product when acid reacts with base?

Choices

Choice (4) Response

a.

Alkalis

b.

Salt and Water

c.

Salt

d.

Water

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