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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 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
2 Hydrogenation of alkenes and alkynes takes place at room temperature in the presence of.
  • A. Ni
  • B. Pt
  • C. Pd
  • D. Both a and b
3 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
4 One of the hydrocarbons reacts with one mole of hydrogen to form a saturated hydrocarbon. What is the formula could be of the x:
  • A. C<sub>3</sub>H<sub>8</sub>
  • B. C<sub>6</sub>H<sub>12</sub>
  • C. C<sub>4</sub>H<sub>10</sub>
  • D. C<sub>2</sub>H<sub>16</sub>
5 Which hydrocarbon has no effect on an aqueous solution of bromine.
  • A. CH<sub>4</sub>
  • B. C<sub>10</sub>H<sub>20</sub>
  • C. C<sub>2</sub>H<sub>2</sub>
  • D. C<sub>2</sub>H<sub>4</sub>
6 Hydrogenation of alkenes and alkynes may be carried out at room temperature in the presence of catalyst:
  • A. Pt or Pd
  • B. Ni
  • C. Zn
  • D. Fe2O3
7 Which one of the following is polmerized to from benzene?
  • A. ethane
  • B. ethene
  • C. methane
  • D. ethyne
8 The molecular formula of the first three members of the alkane hydrocarbons are CH<sub>4,</sub>C<sub>2</sub>H<sub>6</sub> and C<sub>3</sub>H<sub>8</sub>. What is the molecular formula for the eight alkane member, octane, which is found is petrol?
  • A. C<sub>8</sub>H<sub>8</sub>
  • B. C<sub>8</sub>H<sub>16</sub>
  • C. C<sub>8</sub>H<sub>18</sub>
  • D. C<sub>8</sub>H<sub>20</sub>
9 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
10 Dehalogenation of tetrahalides produces acetylene. This reaction takes place in the presence of
  • A. Sodium metal
  • B. Zinc metal
  • C. Magnesium metal
  • D. Potassium metal

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

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Bellakhan Bellakhan

Lahore25 - Apr - 2023

12/12
01 Mins 40 Sec
A

Ammara Faisal

Lahore09 - Mar - 2023

12/12
03 Mins 15 Sec
T

Tayyab Ur Rehman

Lahore11 - Apr - 2023

11/12
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Saeed Shah

Lahore27 - Apr - 2023

11/12
02 Mins 45 Sec
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Wajeeha Bahadar

Lahore08 - Apr - 2023

11/12
04 Mins
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Bellakhan Bellakhan

Lahore25 - Apr - 2023

10/12
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A

Abdurrahman

Peshawar21 - May - 2023

10/12
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The Muslim World

Lahore02 - Apr - 2023

10/12
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Home Account

Lahore10 - Apr - 2023

9/12
02 Mins 55 Sec
T

The Muslim World

Lahore22 - Apr - 2023

9/12
03 Mins 10 Sec
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Sawira Khalid

Lahore25 - Apr - 2023

8/12
02 Mins 26 Sec
D

Danyal Ahmad

Lahore27 - May - 2023

8/12
03 Mins 05 Sec
M

Moiz Hassan

Lahore22 - May - 2023

8/12
06 Mins 33 Sec
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Aramish Sameershah

Lahore14 - Mar - 2023

7/12
02 Mins 16 Sec
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Hamza Abid

Abbottabad13 - Mar - 2023

7/12
10 Mins 50 Sec

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