Good quality stones must
...Good quality stones must
be durable
be free from clay
resist action of acids
all the above
Correct answer is D
No explanation has been provided for this answer.
Wrought iron contains carbon upto ...
Pick up the correct statement from the following ...
Pick up the correct statement from the following ...
In a mortar, the binding material is ...
Polymerization helps to improve the property of ...
Depending on the chemical composition and mechanical properties, iron may be classified as ...