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How is the evolution of gas indicated in...

How is the evolution of gas indicated in a chemical equation ?

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The gas evolved is indicated by an arrow directed upwards at the end of the formula of the gas.
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How will you indicate the evolution of a gas and the formation of a precipitate in a chemical equation ?

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Knowledge Check

  • Theory of evolution indicates:

    A
    man and apes have common ancestor
    B
    man evolved from dinosaurs
    C
    man evolved from monkey
    D
    monkey evolved from man

  • How is iological evolution distinct from the chemical evolution?

    A
    Biological evolution preceded chemical evolution during origin of life
    B
    Not all organisms on earth undergo biological evolution
    C
    Biological evolution is not affercted by mutation
    D
    Biological evolution happens when organisms could replicate

  • The theory of evolution indicates that :

    A
    man evolved from monkeys
    B
    monkeys evolved from man
    C
    man evolved from dinosaurus
    D
    man and apes had a common ancestor.

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