Correct answer
A. Black paint
Explanation
The correct answer is Black paint.
A centrifugal pump loses prime after starting. The reason of this trouble may be________?
Grog________?
If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no change in________?
In case of an unsaturated mixture of gas and vapor, the percentage saturation is ________ its relative saturation?
Nitric acid is not used in the manufacture of________?
Cumulative analysis for determining surface is more precise than differential analysis, because of the________?