NSO Level 1- Science Olympiad (SOF) Class 7: Questions 564 - 566 of 593

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Question number: 564

» Physical and Chemical Changes

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Appeared in Year: 2012

MCQ▾

Question

The table below shows the colours and solubilities of four solids in water.

 Figure shows residue and filtrate

Figure Shows Residue and Filtrate

This figure shows residue and filtrate

Table shows the Mixture containing

Table shows the Mixture containing

Solid

Colour

Solubility in water

W

Blue

Insoluble

X

Blue

Soluble

Y

White

Insoluble

Z

White

Soluble

A mixture containing two solids is added to excess water, stirred and filtered. A blue filtrate and a white residue are obtained. Which two solids are present in the mixture?

Choices

Choice (4) Response

a.

X and Z

b.

W and X

c.

X and Y

d.

W and Y

Question number: 565

» Heat

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Appeared in Year: 2012

MCQ▾

Question

Some blobs of wax are placed on a silver ring as shown in the diagram. If the ring is heated at X, then choose the correct option regarding the melting of wax because of heating.

Diagram shows bolbs of wax are placed on a silver ring

Diagram Shows Bolbs of Wax Are Placed on a Silver Ring

This diagram shows bolbs of wax are placed on a silver ring

Choices

Choice (4) Response

a.

Melting of blobs occurs in the order R, Q, S and P.

b.

Only R blob melts.

c.

Blobs R, S and Q melt together.

d.

P, Q, R and S blobs melt together.

Question number: 566

» Respiration in Organisms

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Appeared in Year: 2012

MCQ▾

Question

Which of the following encloses the portion of your body below the stomach?

Choices

Choice (4) Response

a.

Encloses the portion of your body below the stomach – Choice A

Encloses the Portion of Your Body below the Stomach – Choice A

This part shows encloses the portion of your body below the stomach

b.

Encloses the portion of your body below the stomach – Choice B

Encloses the Portion of Your Body below the Stomach – Choice B

This part shows encloses the portion of your body below the stomach

c.

Encloses the portion of your body below the stomach – Choice C

Encloses the Portion of Your Body below the Stomach – Choice C

This part shows encloses the portion of your body below the stomach

d.

Encloses the portion of your body below the stomach – Choice D

Encloses the Portion of Your Body below the Stomach – Choice D

This part shows encloses the portion of your body below the stomach

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