The reaction between an acid and a base is known as _______________ reaction.

The solutions which do not change the colour of either red or blue litmus are known as ________.

The acid present in grapes?

The turmeric stain on a white shirt is turned to ----------when it is washed with soap.

________________ acid is present in ant sting.

______________ acid is present in tomato.

Turmeric is also used as?

Which natural indicator extracted from lichens?

___________ is the hardest substance in the body.

The reaction between a metal oxide and an acid gives ____________ and _____________.