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
Alkali metals are those metal which have only electron in outermost of the cell
Li (Lithium) , Na (Sodium), K (Potassium), Rb (Rubidium) , Cs (Caesium) , Fr (Francium) .
Alkali metals kise kha jata hai
The second law of thermodynamics means hot things always cool unless you do something to stop them.


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