Question # 1

Which one is the formula of chloromethane.

Choose an answer

CH₂Cl₂

CCl₄

CHCl₃

CH₃Cl

Oxidation of Ethene with KMnO₄ produces.

Choose an answer

Oxalic acid

Glyoxal

Ethene Glycol

Propene glycol

Ethylene glycol can be prepared with the reaction of KMnO₄ and _____

Choose an answer

CH = CH

CH₃ - CH₃

CH₃CH₂CH₃

CH₂= CH₃

Which of following dehydration of alcohols take place:

Choose an answer

NaOH

KOH

H₂SO₄

HCl

How many percent of natural gas is consisted of methane.

Choose an answer

60%

70%

80%

85%

Carbon black is used in the manufacture of.

Choose an answer

Dry cleaning

Shoe polishes.

Fertilizer

None of these

Some orchids attracts bees for pollination by producing.

Choose an answer

alkanes

almenes

alkynes

all the above.

Which hydrocarbon molecule would have no effect on the aqueous solution of bromine?

Choose an answer

CH₄

C₁₀H₂₀

C₂H₄

C₂H₂

Ethylene is present is natural gas sometimes to the extent of .

Choose an answer

10%

20%

30%

40%

Dehydrohalogenation takes place in the presence of .

Choose an answer

NaOH aqueous

Alcoholic KOH

Aqeous KOH

Alcoholic NaOH

The alkanes consisting of C₅ to C₁₀

Choose an answer

gases

liquids

solid

plasma

Which hydrocarbon has no effect on an aqueous solution of bromine.

Choose an answer

CH₄

C₁₀H₂₀

C₂H₂

C₂H₄

The reduction of alkyl halides takes place in the presence of

Choose an answer

Zn/HCl

Na/HCl

Mg/HCl

Cu/HCl

More Classes

Other Links

Chemistry 10th Class English Medium Unit 12 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer