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Assertion : combustion reactions are ...

Assertion : combustion reactions are also called as an exothermic and reason .
Reason : in these reaction , oxygen is added and heat energy is released .

A

Both assertion and reason are true and reason is correct explantion of assertion .

B

Both assertion and Reason and reason are true but reason is not the correct explanation of asseration

C

Assertion is correct but Reason is false

D

both assertion and reason are false .

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  • Assertion(A):All combustion reactions are exothermic reactions. Reason (R ):During combustion reaction,heat energy is liberated.

    A
    Both (A) and ( R) correct
    B
    (A) is correct but (R ) is wrong
    C
    Both (A) and (R ) are wrong
    D
    (A) is wrong but (R ) is correct

  • Double displacement reaction is also called as……..

    A
    metasis
    B
    Metathesis
    C
    Methanolysis
    D
    Metalysis

  • Assertion(A):Combination reaction are exothemic in nature. Reason (R ):During the formation of new bonds,releases a huge amount of enerfy in the form of heat.

    A
    Both (A) and ( R) correct
    B
    (A) is correct but (R ) is wrong
    C
    Both (A) and (R ) are wrong
    D
    (A) is wrong but (R ) is correct

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    Dark reaction is also called __________

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