Question

Experiment 1 Effect of dilute and concentrated solution of nitric acid on copper

1. Transfer to two (2) test tubes A and B from 3 - 4 mL of dilute and concentrated nitric acid solution respectively

2. Add copper chips to both test tubes. What do you observed in each test tube?

A:

B:

3. Carefully heat tube A. What do you observe?

4. Write down the chemical equations that are made.

Answer 1