The term acid has been derived from the Latin word _____ which means sour.

• base

• salt

• acidus

• acetate

Choose the correct definition of MINERAL ACIDS.

• Minerals present in the Earth.

• King of chemicals.

• Found in plants and animals.

• Minerals found only in herbs.

Which acid is known as the KING OF CHEMICALS?

• Sodium hydroxide

• Sulphurous acid

• Citric acid

• Sulphuric acid

Neutral salts do not change the color of the litmus paper. (True/False)

All alkalies are bases and all bases are alkalies. YES/NO

• YES

• NO

• CANNOT BE ANSWERED

Which of the following is a base?

• HCL

• Cu(OH)2

• NaCl

Juice of Hibiscus turns green when added to a

• ACID

• BASE

The fruit shown in the image contains-

• Tartaric acid

• Lactic acid

• Mineral acid

• Citric acid

• YES

• NO

_____ contain a mild base which neutralize the excess acid present in the stomach.

• Bases

• Filters

• Indicators

• Antacids