Question # 1

Which one of the following is a galvanic cell?

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Daniel cell

Nelson's cell

Down's cell

Both B and C

There are _________ types of bonds.

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1

2

3

4

Sodium has ________________ no. of protons.

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11

12

13

14

Which one of the following will show negligible effect of temperature on its solubility?

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KCI

KNO³

NaNO³

NaCI

Which one of the following is not amorphous?

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rubber

plastic

glass

glucose

The earth is made up of ___________ % of calcium.

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4

5

6

7

A binary solution consists of:

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One component

Two components

Three components

Many components

It is a good reducing agent

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Fe

H

C

O

The example of solid solute in gas solvent is

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butter

Sugar in water

Smoke in air

Opals

Which of the following result in discovery of proton?

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cathode rays

canal rays

x-rays

alpha rays

The cathode of Daniel cell is made up of

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Zn

Cu

AI

C

The no.of neutrons in deutrium is

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1

2

3

4

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