Question # 1

Identify which one of the following compounds is a ketron?

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(CH₃)₂ CHOH

(CH₃)₂CHCl

(CH₃)₂CO

(CH₃)₂CHCl

Which of the following statement s is not true about fossil fuels?

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they all contain carbon

They are renewable

they produce pollutants when burnt

they cause acid rain

The ability of carbon atoms to form chains is called.

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Isomerism

Catenation

Resonance

Condensation

The ability of carbon atom to form chain is called.

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Isomerism

Catenation

resonance

Condensation

The strong heating of coal in retoris in the absence of air is called.

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Fractional distillation

Sublimation

Roasting

Destructive distillation

The coal in which the percentage of carbon is 60%

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Peat

Lignite

Bituminous

Anthracit

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

The formula which represents the actual number of atoms in one molecule of organic compound is called.

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Molecular formula

Structural formula

Condensed formula

Dot and cross formula

In which of the following groups, oxygen is attached on both sides with carbon atoms?

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Ketone

Ether

Aldehyde

Ester

Pitch is black residue of.

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Coke

Coal tar

Coal

Coal gas

Formula of Decane is.

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C₁₀H₂₀

C₁₀H₂₂

C₁₀ H₄

C₁₀H₁₆

Petroleum is refined by

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Destructive distillation

Fractional distillation

Simple distillations

Dry distillation

Which one of the followoing is the Hardest coal.

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Peat

Lignite

Bituminous

Anthracite

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10th Class Chemistry Chapter 11 Organic Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers

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