Question # 1

The branch of chemistry which deals with qualitative & quantitative analysis of matter is :

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Analytical

Nuclear

Biochemistry

Organic

Gain of electrons in a reaction is called ____________reaction.

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Oxidation

Reduction

Both

Nil

Which has biger particles?

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Solutions

Colloids

Suspensions

True solutions

The symbol of barium is:

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Ba

Bi

Br

B

Long form of periodic Table is constructed the basis of:

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Mendeleev postulate

atomic number

atomic mass

mass number

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

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KCI

KNO³

NaNO³

NaCI

One mole of sodium = ______ .

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24 g

25 g

26 g

23 g

Scientist used ___________ method.

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Scientific

Non-scientific

Bot

Non

Bucky molecules have ________________ c-atoms.

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20-60

20-90

40-60

40-100

Spontaneous chemical reactions take place in:

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electrolytic cell

Galvanic cell

Nelson' s cell

downs cell

Carbon exists in ________________ allotropic forms.

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1

2

3

4

In 9th century scientist accepted by:

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Dalton

Bohars

Rutherford

Nil

The escape of gaseous molecules one by one is called ____________.

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Diffusion

Effusion

A & b

Nil

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