Question

the ph of a substance used to make antacids is 10. identify the substance and write its chemical formula.

Answer 1

Hey mate

It should be calcium carbonate

the usual antacid component having pH nearly 10,thats 9.91

.thank u

Answer 2

Hi The answer is :-

The substance is Magnesium Hydroxide and its chemical formula is Mg(OH)₂.

You can see the substance on pg26 of the NCERT textbook mentioned in the pH scale