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Class 9 Chemistry · Chapter 10 · Test 6

Catalytic Converters

25 MCQs covering automobile emissions catalytic converters the three functions of a three-way catalytic converter nitrogen oxide reduction carbon monoxide oxidation hydrocarbon oxidation and the control of harmful vehicle emissions.

MCQs

25 questions · 20 min · 25 marks

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Sample questions

The first 5 of 25. Try each one, then tap to see the answer.

  1. Question 1

    What is the main purpose of a catalytic converter

    • ATo reduce harmful automobile emissions
    • BTo increase air pollution
    • CTo increase sulphur content
    • DTo produce more smoke
    Show answer

    Answer: A

    Catalytic converters reduce emissions from internal combustion engines.

  2. Question 2

    Where are catalytic converters used

    • AModern automobiles
    • BWater reservoirs
    • CWind turbines
    • DSolar panels
    Show answer

    Answer: A

    Catalytic converters are used in modern automobiles.

  3. Question 3

    Which type of engines are associated with the use of catalytic converters

    • AInternal combustion engines
    • BSteam engines only
    • CElectric motors only
    • DWind turbines
    Show answer

    Answer: A

    The source states that catalytic converters reduce emissions from internal combustion engines.

  4. Question 4

    Which pollutants can result from incomplete combustion in automobile engines

    • ACarbon monoxide and hydrocarbons
    • BNitrogen and oxygen
    • CWater and nitrogen
    • DCalcium oxide and oxygen
    Show answer

    Answer: A

    Incomplete combustion in automobile engines can produce carbon monoxide and hydrocarbons.

  5. Question 5

    What type of catalytic converter is described as having three main functions

    • AThree-way catalytic converter
    • BTwo-way catalytic converter
    • CSingle-way catalytic converter
    • DFour-way catalytic converter
    Show answer

    Answer: A

    The chapter describes the three main functions of a three-way catalytic converter.

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