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12th Chapter

10th class Chemistry Ch 12 (English Medium)

Here you can prepare 10th Chemistry English Medium Chapter 12 (Hydrocarbons) Test. Click the button for 100% free full practice test..

Matric Part 2/10th Class Chemistry Chapter 12 MCQ Test With Answer for Chapter 12 (Hydrocarbons)

Matric Part 2/10th Class Chemistry Chapter 12 MCQ Test With Answer for Chapter 12 (Hydrocarbons)

Sr. # Questions Answers Choice
1 Traces of acetylene are present to coal gas about.
  • A. 0.06 %
  • B. 0.08%
  • C. 1.1 %
  • D. 90%
2 Ethyne is oxidized by alkaline KMnO<sub>4</sub> then ....... hydroxyl group add to the triple bond.
  • A. Two
  • B. Three
  • C. Four
  • D. Five
3 Ethen is prepared by heating a mixture of ethanol and excess of concentrated sulphuric acid at:
  • A. 150°C
  • B. 180°C
  • C. 250°C - 300°C
  • D. 400°C - 450°C
4 ____________ use for ripening of fruits.
  • A. Ethene
  • B. Ethane
  • C. Ethyne
  • D. Propane
5 Condensed formula of ethane is
  • A. C<sub>3</sub>Cl<sub>8</sub>
  • B. C<sub>2</sub>Cl<sub>6</sub>
  • C. H<sub>3</sub>CCH<sub>3</sub>
  • D. None of these
6 In which one of the following is a substitution reaction?
  • A. Halogenations of alkynes
  • B. Halogenations of alkenes
  • C. Halogenations of alkanes
  • D. Bromination of alkenes
7 Dehydration means removal of.
  • A. Water
  • B. Halogen
  • C. Hydrogen
  • D. All above.
8 The reduction of alkyl halides takes place in the presence of
  • A. Zn/HCl
  • B. Na/HCl
  • C. Mg/HCl
  • D. Cu/HCl
9 Chemical formula of chloroform.
  • A. CH<sub>3</sub>Cl
  • B. CH<sub>2</sub>O<sub>2</sub>
  • C. CHCl<sub>2</sub>
  • D. CCl<sub>4</sub>
10 How trace amount of acetylene present in the coat gas.
  • A. 0.06%
  • B. 0.07%
  • C. 0.08%
  • D. 0.09%

Top Scorers of 10th Class Chemistry Chapter 12 Hydrocarbons English Medium KPK Boards Online Mcqs

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Zahid Bashir

Lahore14 - Dec - 2023

12/12
01 Mins 02 Sec
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Zahid Bashir

Lahore14 - Dec - 2023

12/12
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Zahid Bashir

Lahore14 - Dec - 2023

12/12
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Mahboobjibran@Gmail.Com Alamjan

Lahore01 - Mar - 2024

12/12
01 Mins 53 Sec
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Mahboobjibran@Gmail.Com Alamjan

Lahore01 - Mar - 2024

12/12
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Mahboobjibran@Gmail.Com Alamjan

Lahore01 - Mar - 2024

12/12
03 Mins 23 Sec
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Shafaqat Ali

Lahore08 - Dec - 2023

11/12
32 Sec
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Lahore14 - Dec - 2023

11/12
49 Sec
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Zahid Bashir

Lahore14 - Dec - 2023

11/12
54 Sec
Z

Zahid Bashir

Lahore14 - Dec - 2023

11/12
59 Sec
Z

Zahid Bashir

Lahore14 - Dec - 2023

11/12
01 Mins 02 Sec
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Zahid Bashir

Lahore14 - Dec - 2023

11/12
01 Mins 10 Sec
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Zahid Bashir

Lahore14 - Dec - 2023

11/12
01 Mins 21 Sec
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Zahid Bashir

Lahore14 - Dec - 2023

11/12
01 Mins 33 Sec
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Zahid Bashir

Lahore14 - Dec - 2023

11/12
01 Mins 36 Sec

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