Examples of Acids,Bases

Q.

What are antacids? Name two compounds that are used as antacids.

Q.

What is the nature of oxides of carbon namely $C{O}_2$ and CO?

Q. Lemons and vinegar are acidic in nature. They taste .

1. sour
2. salty
3. bitter

Q. Which acid is present in an ant sting?

1. Formic acid
2. Acetic acid
3. Sulphuric Acid
4. Hydrochloric acid

Q.

Define antacids.