The commonly used colour pigment in paints is
...The commonly used colour pigment in paints is
ambers
carbon black
iron oxide
lamp black
all the above
Correct answer is E
No explanation has been provided for this answer.
Depending on the chemical composition and mechanical properties, iron may be classified as ...
For melting one tonne of cast iron ...
Which one of the following is acid resistant asbestos ...
Varnish is a transparent or semi-transparent solution of resinuous substances in ...