Question

Reversible reaction give a few c characteristics of them ​

Answer 1

Answer:

Reversible reactions always attain equilibrium and never go for completion. ... In fact in all such cases, in the initial state, only the reactants are present but as the reaction proceeds, the concentration of reactants decreases and that of products increases.

Explanation:

Answer 2

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On Earth, the sky is "up" (not near the horizon, of course). That's relative to the surface of the Earth's or relative to the centre of the Earth. Thus, in the Northern hemisphere "up" is in a different direction from "up" in the Southern hemisphere. But, of course, it all depends on having points of reference.