Quartzite is a
...Quartzite is a
metamorphic rock
argillaceous rock
calcareous rock
silicious rock
Correct answer is D
No explanation has been provided for this answer.
In a mortar, the binding material is ...
Elastomers can extend upto ...
Depending on the chemical composition and mechanical properties, iron may be classified as ...
Galvanising means covering iron with a thin coat of ...
For the manufacture of Portland cement, the proportions of raw materials used are ...