Question

Give TWO examples for each of the following substances:
(a) Food preservatives [1/2 +1/2]
(b) Medicines

Answer 1

a)Benzoates (such as sodium benzoate, benzoic acid)

Nitrites (such as sodium nitrite)

b) Vaccines

Antibiotics: inhibiting germ growth.

Answer 2

Answer:

a) Food preservatives : Sorbates, Sulfites.

b) Medicines : Paracetamol, aspirin.

Explanation:

a) Food preservatives:

• Sorbates: Sorbates include sodium Sorbate, potassium sorbate and calcium sorbate.
• Sulfites: Sulfites include sodium sulfite, Potassium bisulfite, sodium bisulfite and sodium metabisulfite.

b) Medicines:

• Paracetamol is a medicine used to treat fever and pain.
• Aspirin is a medicines used to prevent blood clots.

Exore more!!

★ Food preservatives: Food preservatives are added to food to avoid bacteria, fungi etc.

★ Medicines: Medicines are drugs which are used to cure diseases or prevent diseases.