Building Materials
Assertion A : Pure lime takes a long time to develop adequate strength.Reason R : Pure lime has slow hardening characteristics.Select your answer according to the coding system given below:

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

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Building Materials
The plywood

Has greater impact resistance to blows than ordinary wood
Has good strength along the panel only
Cannot be bent more easily than ordinary wood of same thickness
Can be spilt in the plane of the panel

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