Engineering Materials
Basic solution is one which has pH value

Equal to 7
pH value has nothing to do with basic solution
Greater than 7
Less than 7

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Free carbon in iron makes the metal

Soft and gives a coarse grained crystalline structure
Hard and gives a coarse grained crystalline structure
Soft and gives a fine grained crystalline structure
Hard and gives a fine grained crystalline structure

ANSWER DOWNLOAD EXAMIANS APP