Question

Assertion : Alcohols have similar chemical properties.

Reason : All alcohols contains similar hydroxy (-OH) functional group.

19. Assertion : Dams are the barriers constructed across the rivers to hold the

water.

Reason : These dams ensure the storage of adequate water for different uses​

Answer 1

18.) Answer : Both Assertion and Reason are and Reason is the correct explanation for the Assertion

19.) Answer : Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion