1.

Conc. H_2 SO_4 is diluted

Answer»

By adding water in `H_(2)SO_(4)`
By adding `H_(2)SO_(4)` in water
By adding glacial acid in `H_(2)SO_(4)`
None of the above

Solution :CONCENTRATED `H_(2)SO_(4)` is diluted by adding the conc. `H_(2)SO_(4)`in the water drop by with constant stirring because it is an exothermic reaction and by doing so HEAT is generated SLOWLY and dissipiated in the ATMOSPHERE.


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