Alkynes MCQ App | Class 10 Chemistry MCQ e-Book PDF
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Free "Alkynes MCQ" App Download: Acetylene is also called; MCQ with answers: ethyne, ethene, ethane, and methane. Solve Hydrocarbons Quiz Questions, download Apple Book (Free Chapter) to strengthen chemistry digital performance.

Alkynes MCQs PDF Download – Prep Test

MCQ 1: Acetylene is also called:

  1. Ethyne
  2. ethene
  3. ethane
  4. methane

MCQ 2: Oxy-acetylene torches can produce temperature as high as:

  1. 30 degrees
  2. 300 degrees
  3. 3000 degrees
  4. 30000 degrees

MCQ 3: What type of reaction do alkynes undergo across the triple bond?

  1. elimination reaction
  2. substitution reaction
  3. addition reaction
  4. halogenation

MCQ 4: Glyoxal formed by loss of two water molecules by tetrahydroxy ethane oxidizes to:

  1. ethylene glycol
  2. acetylene
  3. oxalic acid
  4. benzoic acid

MCQ 5: Tetrahydroxy ethane loses two water molecules to form:

  1. oxalic acid
  2. Glyoxal
  3. acetylene
  4. ethylene glycol

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