Chemistry-Sorting Materials into Groups (NSTSE (National Science Talent Search Exam- Unified Council) Class 6): Questions 1 - 7 of 80

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Question number: 1

» Chemistry » Sorting Materials into Groups

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Question

Mixture can have their components in proportion.

Choices

Choice (4) Response

a.

Varying

b.

Fixed

c.

None of the above

d.

All of the above

Question number: 2

» Chemistry » Sorting Materials into Groups

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Question

In the process of sedimentation solid which settle down is called

Choices

Choice (4) Response

a.

Impurity

b.

Sediment’s Impurity

c.

Sediment

d.

Question does not provide sufficient data or is vague

Question number: 3

» Chemistry » Sorting Materials into Groups

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Question

Honey is an example of

Choices

Choice (4) Response

a.

Homogeneous Mixture

b.

Heterogeneous Mixture

c.

Pure Substances

d.

Question does not provide sufficient data or is vague

Question number: 4

» 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: 5

» Chemistry » Sorting Materials into Groups

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MCQ▾

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: 6

» Chemistry » Sorting Materials into Groups

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MCQ▾

Question

Which of the following is a heterogeneous mixture?

Choices

Choice (4) Response

a.

Sand and petrol

b.

Sand and water

c.

Cough syrup

d.

Both a. and b. are correct

Question number: 7

» Chemistry » Sorting Materials into Groups

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MCQ▾

Question

Which of the following metals are lustrous?

Choices

Choice (4) Response

a.

Mercury

b.

Silver

c.

Gold

d.

All a. , b. and c. are correct

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