State two hazards in the school laboratory.

...melting points or solubility, typically achieved through controlled cooling and crystallization.

• Esterification: The chemical reaction that forms the ester bonds in triglycerides, which are the main components of palm oil.

6. (c) (ii) State two hazards in the school laboratory.

• Chemical spills: Accidental release of corrosive, toxic, or flammable substances.
• Broken glassware: Sharp edges from broken beakers, test tubes, or other glass apparatus can cause cuts.

6. (d) (i) Define the term weaning.
Weaning is the process of gradually introducing an infant or young mammal to solid food and discontinuing feeding with mother's milk.

6. (d) (ii) Give three reasons for weaning piglets.

• To reduce stress on the sow (mother pig) from nursing, allowing her to recover and prepare for the next breeding cycle.
• To encourage piglets to consume solid feed, promoting faster growth and development.
• To prevent disease transmission from the sow to the piglets, as the sow's immunity may decline over time.