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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 -> _______ + _________

Answer :

1. A soluble salt can be prepared by reacting an acid with a suitable insoluble reactant including:

a metal
a metal oxide
a carbonate
3. I don’t know this one
4. A term base or glossary is a database containing single words or expressions related to a specific subject.
5. Strong acid is an acid that ionizes completely in aqueous solution. It always loses a proton (H+) when dissolved in water. Weak acid is an acid that ionizes partially in a solution. ... Because the rate of reaction depends upon the degree of dissociation αand strong acids have higher degrees of dissociation.

im not sure of the rest