[Cat in the Lab]

1. will hydrogen peroxide H2O2 donate proton and form HOO-, and thus being acidic in water?
2. is there any reaction when we mix HNO3 and HCl and yield aqua regia?
3. what's making aqua regia so acidic?
4. how come aqua regia decompose so quickily?

Thank you!

[Dan]

These are easily googled, and there is plenty of information on websites such as Wikipedia.

It is forum policy that you show that you have thought about the problems and done some work yourself before asking for answers (see Forum Rules).

Think about the questions, do a bit of reading, post some of your ideas, and we can take it from there.