NSO Level 2- Science Olympiad (SOF) Class 6: Questions 14 - 16 of 100

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Question number: 14

» Mental Ability

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Appeared in Year: 2016

MCQ▾

Question

Change X: Cooling a mixture of air and kerosene vapours so that liquid kerosene condenses out.

Change Y: Burning a mixture of air and kerosene vapours.

What type of changes X and Y are?

Choices

Choice (4)Response

a.

X - Chemical change, Y - Physical change

b.

X - Chemical change, Y - Reversible change

c.

X - Reversible change, Y - Physical change

d.

X - Physical change, Y - Chemical change

Question number: 15

» Mental Ability

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Appeared in Year: 2016

MCQ▾

Question

Identify W, X, Y and Z.

W: An edible liquid miscible in water

X: A non-edible, inflammable liquid that floats on water

Y: An edible, Coloured liquid that does not flow easily

Z: A colorless, non-inflammable liquid

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 16

» Mental Ability

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Appeared in Year: 2016

MCQ▾

Question

Shobhit a class 6 student, took some samples and struck each with a hammer. He noted down his observations in the given table.

table shows Sample and Result

table shows Sample and Result

S. No.

Sample

On hammering

Result

1

Sponge

No change

(i)

2

Gold bangle

Gets flattened

(ii)

3

Stone

Breaks into pieces

(iii)

Identify (i), (ii) and (iii).

Choices

Choice (4)Response

a.

b.

c.

d.

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