Question # 1

pH of neutral solution is always.

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6

5

7

10

Vital force theory was rejected by.

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Jabir Bin Hayan

Drawin

Wohler

Berzellius

How trace amount of acetylene present in the coat gas.

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0.06%

0.07%

0.08%

0.09%

Natural gas is 85% methane, It is used to make the follwing except.

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Carbon black

Ethane

Propane

Both b and c

Percentage of carbon in peat is.

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50%

60%

70%

80%

Malic acid founds in:

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Apple

Fats

Rancid Butter

Oranges

Eggs oils and fats contain vitamin .

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A

B

C

D

Which one of these hydrocarbon molecules would have no effect on an aqueous solution of bromine?

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CH₄

C₁₀H₂₀

C₂H₄

C₂H₂

Cause of global warming is:

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CO₂gas

SO₂gas

NO₂gas

O₂gas

What is pOH of 0.01 M solution of KOH?

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3

11

2

4

Natural source of citric acid is:

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Rancid butter

Fats

Lemon

Sour milk

Concentration is a separating technique in which mineral is separated from.

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Gangue

Silicates

Aluminates

All

The ability of carbon atoms to form chains or ring called.

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Hydrogenation

Chlorination

Cantenation

Halogenation

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