Peroxide is the chemical responsible for opening the hair cuticle
The reaction is given by

Barium goes underneath beta decay to form Ceaseum
- Cs is very mellable element
- It can melt on your hand
Answer:
A chemist searches for new knowledge about chemicals and use it to improve the way we live. He or she may develop products such as synthetic fibers, drugs and cosmetics. Chemists create processes, including all refining and petrochemical processing, that reduce energy use and pollution.
Answer:
I think its might be 1 because the ionic numbers for CA is +2 and for P its +3
The answer is surface tension