QUIZ SCIENCE: write down the answers pls i need help.

1. Name the products formed if calcium is added to a beaker of nitric acid.

3.Give two observations that a student would make if calcium is added to a beaker of nitric acid.. Single line text.

4.) 44, What is the meant by the term base?. Single line text.

5)no 55, Explain the difference between a strong and weak acid.

6)Explain the difference between a strong and weak acid.

7) Write equations (balanced) for the reaction of nitric acid with each of the following.

(i) sodium
(ii) magnesium oxide
(iii) ammonia

Complete the chemical equation. Water acts as the acid.

NH3 + H20 -> +