Question # 1

Monosaccharide consists of number of carbon atoms.

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2 to 4

4 to 8

3 to 9

5 to 10

Alkanes are produced in large amounts by cracking of

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Natural gas

Petroleum

Benzene

Xylol

Hydrogenation of vegetable oil to convert it into banaspatic ghee is carried out in the presence of catalyst:

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Ni-metal

Zn-metal

Na - Metal

Fe2O3

Uric Acid is present in

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Apple

Fats

Urine

Grapes

Catalytic converters convert.

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CO to CO₂

N₂ to NO

CO₂ to CO

N₂to NO₂

Silicon occurs in the form of

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Silica

Silicates

both a and b

None of these

How many % age of nitrogen in urea fertilizers?

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40.6

45.6

46.6

50

Which one of the following does ot contain protein

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Pulses

Potatoes

Beans

eggs

What is pOH of 0.01 M solution of KOH?

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3

11

2

4

Which element protects teeth from decay?

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Potassium

Fluorine

Sodium

Calcium

Eggs oils and fats contain vitamin .

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A

B

C

D

Coal is the mixture of

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Hydrogen

Methane

Carbon monoxide

All

When acid react with carbonates and bicarbonates which gas is evolved?

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H2

CO₂

Cl₂

N₂

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10th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers

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