Chemistry
The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of

a condensation reaction
an addition reaction
an elimination reaction
an oxidation reaction

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Chemistry
Assertion (A) : Synthetic detergents can lather wen in hard water.Reason (R) : Synthetic detergents form soluble calcium and magnesium salts with hard water.

A is false but R is true
Both A and R is true and R is the correct explanation of A
Both A and R is true but R is not a correct explanation of A
A is true but R is false

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