Correct answer
C. Both B. and C.
Explanation
The correct answer is Both B. and C..
________ law of thermodynamics ascertains the direction of a particular spontaneous process?
Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of________?
Percentage of nitrogen in blast furnace gas may be around________?
Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is ________ kJ?
Crude oils containing more than ________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a ‘salty crude’?
Acetaldehyde is shipped in ________ drums?