Which are called chemical Indicators ?

Hormones are called chemical signals that stimulate specific target .Which is the correct location of these receptors in case of protein hormones

Can flowers and turmeric papers also be called as indicators. Why?

Antioxidants are called sacrificial chemicals. Comment.

Which symbols are used in a chemical reaction?

What is called 'a chemical family'?

What is called 'a chemical family'?

Statement A : The change in which if there is a change in shape,size, colour without getting new substance is called chemical change. Statement B : The change in which if there is a change in chemical compositionand a new substance is formed called physical change.

Which one is a natural indicator?