I think it is D but im not sure
Explanation:
when acid reacts with water it form salt and water this reaction is called neutralization reaction
It is b, i learned this last year hope this helps
The correct answer is option 2. One
way of expressing concentration is by expressing it by parts per million or
ppm. It <span>is calculated by dividing the grams of solute and the grams of the solution, and the result is multiplied by 1 000 000. </span><span>Parts per million is equal to 1 milligram of solute per kilogram of
solution. </span>