Correct answer
A. catalyst
Explanation
catalyst is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
The heat energy produced when the human body metabolises 1 gram of fat is__________?
Replacement of hydrogen of benzene by alkyl group in the presence of alkyl halide & aluminum chloride is known as__________________?
The letters s p d and f are used to represent which quantum numbers________________?
The fertility of the soil is improved by________________?
Bond will beionic when E.N difference of bonded atom is ____________________?
Chemistry is given from ……language ?