Home
Class 8
CHEMISTRY
Assertion : CNG and LPG are not ecofrien...

Assertion : CNG and LPG are not ecofriendly fuels.
Reason : They produce many harmful pollution.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
D
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • COMBUSTION AND FLAME

    PEARSON IIT JEE FOUNDATION|Exercise CLASSROOM CORNER Short Answer Type Questions|37 Videos
  • COMBUSTION AND FLAME

    PEARSON IIT JEE FOUNDATION|Exercise CLASSROOM CORNER Long Answer Type Questions|39 Videos
  • COMBUSTION AND FLAME

    PEARSON IIT JEE FOUNDATION|Exercise CLASSROOM CORNER Very Short Answer Type Questions (Subjective Type Questions)|12 Videos
  • COAL AND PETROLEUM

    PEARSON IIT JEE FOUNDATION|Exercise COMPETITION CORNER|48 Videos
  • Language of Chemistry and Transformation of Substances

    PEARSON IIT JEE FOUNDATION|Exercise Concept Application Concept Application Level - 3|10 Videos

Similar Questions

Explore conceptually related problems

Why is CNG called an ecofriendly fuel?

Assertion: CNG and LPG are lean fuels. Reason: They do not leave any residue on burning.

Knowledge Check

  • Assertion : CNG and LPG are clean fuels. Reason : They do not leave any residue on burning.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    If assertion is true but reason is false.
    D
    If both assertion and reason are false.
  • Assertion : Fungicides act against fungal pathogens. Reason : Fungicides are not harmful for human beings.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    If assertion is true but reason is false.
    D
    If both assertion and reason are false.
  • Consider the following statements: Assertion (A): LPG is a pollution free vehicular fuel. Reason (R): Plying of CNG fuelled-buses is recommended for metropolitan cities in India.

    A
    Both A and R are true, and R is the correct explanation of A.
    B
    Both A and R are true, but R is not the correct explanation of A.
    C
    A is true, but R is false
    D
    A is false, but R is true
  • Similar Questions

    Explore conceptually related problems

    Assertion : Many industries burn coal to heat their furnaces. Reason : The burning of coal produces smoke which causes air pollution.

    Assertion : Biological control of pests is advantageous. Reason : It does not cause pollution .

    Assertion (A) H_2-O_2 fuel cell is not used over the ordinary cell. Reason (R ) They do cause any pollution and its efficiency is 60 – 70% .

    When CNG or LPG undergoes complete combustion, the produces formed are

    Assertion : Photochemical smog is produced by oxides of nitrogen. Reason : Vehicular pollution is a major source of oxides of nitrogen.