Define 2nd law of thermodynamics.

1.	Define 2nd law of thermodynamics.
Answer» Second law of thermodynamics says that universe as a increase enthropy because the universe is become huge every year<br>Alkali metals are those metal which have only electron in outermost of the cell<br>Li (Lithium) , Na (Sodium), K (Potassium), Rb (Rubidium) , Cs (Caesium) , Fr (Francium) .<br>Alkali metals kise kha jata hai<br>The second law of thermodynamics means hot things always cool unless you do something to stop them.

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