Question # 1

Scientist used ___________ method.

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Scientific

Non-scientific

Bot

Non

Group runs from ________________

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Top to bottom

Left to right

Top to right

Bottom to left

All metals are solid at ________________ temperature.

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Room

High

Low

None

Force per unit area is called:

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volume

pressure

weight

density

Non-metals are generally soft, but which one of the following is extremely hard?

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Graphite

Phosphorus

Iodine

Diamond

There are ____________ states of matter

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4

3

2

1

Atoms as a whole is _________

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+

_

No

Neutral

Which one of the following is not an electrolyte?

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sugar solution

sulphuric acid solution

Lime solution

Sodium chloride solution

Mass no is represented by :

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A

B

C

D

________________ cannot be seen by naked eye.

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Matter

Molecules

Solid

Liquids

Which is a polar molecule?

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HCI

H₂

CI₂

O₂

Gases are the lightest form of mater and their densities are expressed in terms of:

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mg cm^-3

g cm^-3

g dm^-3

kg dm^-3

Air is an example of:

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Gas in gas

Solid in gas

Liquid in gas

Gas in ;iquid

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