Question

4. How can carbon dioxide be prepared from an acid? wibolom
5. Give two examples each of strong acids and weak acids.
6. Why does a base applied to your skin give relief from an ant bite?
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Answer 1

Explanation:

4)Carbon dioxide is produced whenever an acid reacts with a carbonate. ... Calcium carbonate and hydrochloric acid are usually used because they are cheap and easy toobtain. Carbon dioxide can be collected over water.

5)Two examples of strong and weak acids are as follows: Explanation: The strong acids are hydrochloric acid, nitric acid, sulfuric acid, hydrobromic acid, hydroiodic acid, perchloric acid, and chloric acid. The only weak acid formed by the reaction between hydrogen and a halogen is hydrofluoric acid (HF).

6)If the ant bites get inject formic acid into the part of the skin and it has applied on the skin to neutralize the effect of the formic acid and support to meet better result on it.