Question # 1

When methane reacts with Cl₂in the presence of diffused light the products obtained are

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Chloroform only

Carbon tetrachloride only

Chloromethane and dichloromethane

Mixture of a, b, c

Which form interstitial compounds.

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Fe

Ni

CO

All of those

Which of the following is Ortho and Para directing group

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-I

-CHO

-COR

-NH₂

In Pakistan, the total consumption of paper per person per year is.

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2 kg

5 kg

7 kg

10 kg

The Plastic which become soft and melt on heating and can be molded and remolded are called.

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Thermoplastic

Thermosetting plastic

Resin

Melamine

Which substance is used to convert alcohol to alkyl halide.

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SOCl2

PCl3

HCl +ZnCl2

All of these

Which of the following species is ortho and para director.

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CHO

SO3H

NO2

Cl

Aluminum oxide is

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acidic oxide

basic oxide

amphoteric oxide

none of these

___________ is use as a cooling medium for nuclear reactors

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Ne

He

Ar

Kr

Third abundant element on earth crust is.

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Boron

Oxygen

Aluminium

Silicon

Which compound form benzoic acid on oxidation with strong oxidizing agent.

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Toluene

Ethyl benzene

n propyl benzene

All

Essential amino acids are those which

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Are present in every protein

Must be supplied to body through diet

Contain two carbocyclic acid and one amino group

Is syntherised by our body

Which of the following is a reddish brown gas

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N₂O₃

NO₂

N₂O₃

N₂O₅

Gold dissolves in "Aqua Regia" due to formation of Halide. Point out correct halide

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AuF₃

AuCl₃

AuBr₃

AuI₃

The conversion of ethene to ethanol is an example of.

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Hydration

Dehydration

Neutralization

Esterification

Which substance is used in photography

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AgCl

AgBr

AgI

Ag3PO4

Cyanogen chloride reacts with ethyl magnesium bromide to give

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CH₃CH₂Cl

CH₃CH₂Br

C₄H₁₀⁺

CH₃CH₂CN

The avoid teh formation of toxic compounds with chlorine which substance is used for disinfecting water.

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KMnO4

O3

Alum

Chloramines

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Chemistry Fsc Part 2 Online Test MCQs With Answers

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