Correct answer
C. Cast iron
Explanation
The correct answer is Cast iron.
Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog?
Reason for operating an evaporator in multiple effects is to secure ________?
Salt is added in the kettle during soap manufacture to separate ________?
At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant?
Jigging is a technique by which different particles can be________?
In an ideal solution, the activity of a component equals its ________?