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Primitive atmosphere was reducing/oxidis...

Primitive atmosphere was reducing/oxidising.

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Reducing
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Explore conceptually related problems

Assertion: Primitive atmosphere was of reducing type. Reason: First hydrogen atoms combined with all oxygen.

Primitive atmoshpere was reducing because:

Knowledge Check

  • The primitive atmosphere was reducing in nature. Free oxygen was absent in the primitive atmosphere.

    A
    If both (A) and (R ) are true and (R ) is the correct explanation of (A).
    B
    If both (A) and (R ) are true but (R ) is not the correct explanation of (A).
    C
    If (A) is true but (R ) is false.
    D
    If both (A) and (R ) are false.
  • Assertion : Primitive atmosphere was formed by the lightest atoms. Reason : The primitive atmosphere was reducing in nature.

    A
    If both the accertion and the reason are true and the reason is a correct explanation of the assertion
    B
    If both the assertion and reasone are true but the reason is not a correct explanation of the assertion
    C
    If the assertion is true but the reason is false
    D
    If both the assertion and reason are false
  • Assertion : The primitive atmosphere was reducing one i.e., without oxygen. Reason : In the atmosphere, oxygen was involved in forming ozone.

    A
    If both assertion and reason are true and the reason is a correct explanation of the assertion.
    B
    If both assertion and reason are true and the reason is not correct explanation of the assertion.
    C
    If the assertion is true but reason is false
    D
    If both the assertion and reason are false.
  • Similar Questions

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    Which organisms changed earth's atmosphere from reducing to oxidising?

    In primitive atmosphere ATP was formed when adenine combined with

    Which of the following has replaced methane of the primitive atmosphere as the major carbon containing compounds of the present day earth's atmosphere?

    The reason that primitive atmosphere of the earth did not show any degradationis

    Primitive atmosphere of earth contained water vapours, hydrogen ,ammonia and