Question

1. Diamond is
(A) An element
(B) A compound
(C) A mixture
(D) A liquid
In an open system, for maximum work, the process must be entirely
(A) irreversible
(B) reversible
(C) c) adiabatic
(D) none of the mentioned
3. Work done in all reversible processes is equal.
(A) true
(B) FALSE
(C) can't be predicted
(D) none of the above
4. The work done by a closed system in a reversible process is always
(A) less than or more than
(B) equal to
(C) less than
(D) more than
that done in an irre
of AH if the forward and reverse reactions have the same energy​

Answer 1

Answer:

diamond is an element

Explanation:

this is answer of first mcqs

Answer 2

Answer:

1 (A) element

2(B) Reversible

3 (A) true Reversible processes between the same end states must coincide and and produce equal amounts of work. Explanation: A reversible process gives the maximum

4 (D) more than