997Civil EngineeringMedium
Which of the following compounds is widely used for algae control?
Asodium chloride
Bcopper sulphate
Csodium sulphate
Dcalcium chloride
Correct answer
B. copper sulphate
Explanation
The correct answer is copper sulphate.
Correct answer
B. copper sulphate
Explanation
The correct answer is copper sulphate.
The main constituent of cement which is responsible for initial setting of cement is________?
Le Chatelier’s device is used for determining the________?
Granite is not suitable for ordinary building purpose because________?
The moment-curvature relation at a plastic hinge is________?
Mercury is often used in barometer because ________?
The radius of a bar bend to form a hook, should not be less than________?