5479Chemical EngineeringMedium
The OH- concentration in a solution having pH value 3 is________?
A10-13
B10-3
C10-11
D10-10
Correct answer
C. 10-11
Explanation
The correct answer is 10-11.
Correct answer
C. 10-11
Explanation
The correct answer is 10-11.
As the equilibrium moisture content of the coal increases, its________?
The heat evolved in the combustion of benzene is represented by the equation: C6H6 + 7.5 O2 = 6CO2 + 3H2O, ΔH = 3264.6 kJ/kg. mole The heat energy change, when 39 gm of C6H6 is burnt in an open container, will be ________ kJ/kgmole?
Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on ________?
Correct use of ‘factor of safety’ is very important in equipment design. It is defined as the ratio of the________?
Nitrogen content of calcium ammonium nitrate (CAN) is ________ percent?
The curve of metacentre for a floating body ________ the curve of buoyancy?