fill in the blank.
1. The sour things we eat contain ____________________.
2. Ammonium hydroxide is an _______________ .
3. An acid is __________________ by a base .
4. An antacid generally contains a ______________.
1. The sour things we eat contain ___acid_________________.
2. Ammonium hydroxide is a ___base____________ .
3. An acid is __neutralised____________ by a base .
4. An antacid generally contains a __base____________.
2. Ammonium hydroxide is a ___base____________ .
3. An acid is __neutralised____________ by a base .
4. An antacid generally contains a __base____________.