Kaolin is chemically classified as
metamorphic rock
argillaceous rock
calcareous rock
silicious rock
Correct answer is B
No explanation has been provided for this answer.
The plastics made from cellulose resin
are as clear as glass
are tough and strong
possess excellent electrical properties
All the above
Correct answer is D
No explanation has been provided for this answer.
solid state is called asphalt
semi fluid state is called mineral tar
fluid state is called petroleum
all the above
Correct answer is D
No explanation has been provided for this answer.
The main constituent of fly-ash is
aluminium oxide
silica
ferrous oxide
All of these
Correct answer is D
No explanation has been provided for this answer.
Wrought iron contains carbon about
1.5% to 5.5%
0.5% to 1.75%
0.1% to 0.25%
none of these
Correct answer is C
No explanation has been provided for this answer.