Polymerization helps to improve the property of
strength
rigidity
elasticity
all of these
Correct answer is D
No explanation has been provided for this answer.
For preparing porcelains, the clay should be
sufficiently pure
of high degree of tenacity
of good plasticity
All the above
Correct answer is D
No explanation has been provided for this answer.
Galvanising means covering iron with a thin coat of
tin
zinc
glaze
coal tar
Correct answer is B
No explanation has been provided for this answer.
The rocks formed by gradual deposition are called
sedimentary rocks
igneous rocks
metamorphic rocks
none of these
Correct answer is A
No explanation has been provided for this answer.
igneous rocks
metamorphic rocks
sedimentary rocks
sedimentary metamorphic rocks
Correct answer is D
No explanation has been provided for this answer.