1.

What is called aquaregia solution ?

Answer»

Mixture of 50 % CON. HCl + 50 % con. `HNO_3`
One part con. HCl arethree part con. `HNO_(3)`
THREE PARTS con. HCl and one part `HNO_3`
Three part con. HCl and one part con.` HNO_3`

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