Metal carbonate+acid--+ carbonate+water 2) +sulphuric acid sodium sulphate+ water.

3) Magnesium+ --- magnesium nitrate + water.

4) Zince + hydrochloric acid---+ hydrogen

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.

What is the percentage composition of carbon in the compound ch4