Chemical reactions and catalysts. A chemical reaction involves a chemical change, which happens when two or more particles (which can be molecules, atoms or ions) interact. For example, when iron and oxygen react, they change to a new substance, iron oxide (rust).
It's important for parents to start weaning babies from bottles around the end of the first year and start getting them comfortable drinking from cups. The longer parents wait to start the transition, the more attached kids become to their bottles and the more difficult it can be to break the bottle habit.
Since birth, your baby has been growing on breast milk. At six months old, breastmilk is still the most important food but the time has come to add solid foods. Extrairon is needed at six months. Solid foods provide a variety of nutrients, flavours, and textures for your baby.