Ph&Ch 3º - 3.3 and 3.4

Food preservatives...

• Preserve colour

• Prevent oxidation

• Prevent spoilage

• All of them are correct

• All of them are false

For soups and sours, we usually use...

• Colouring agents

• Antioxidants

• Preservatives

• Flavourings

Paracetamol is...

• Painkiller

• Antipyretic

• Vaccine

• Antibiotic

In NEUTRALISATION REACTIONS, we have: ACID+ANTACID ->_____+ WATER

• Bicarbonate

• Salt

• Preservative

• Limestone

If you have a bacterial infection, you should use...

• Aspirin

• Ibuprofen

• Amoxicilin

• Limestone

• Antacid

The commercial, trade name of acetylsalicylic acid is

The reaction of quickline (CaO) with water is...

• Exothermic

• Endothermic

• Neutral

• Al of them are incorrect

Choose all the correct answers: "Hydrogen peroxide"

• H₂O₅

• H₂O₂

• Antimicrobial properties

• Painkiller

• An antiacid

It is used in living tissues

• Disinfectant

• Cleaner

• Antiseptic

• Antibiotic

Bleach and ammonium

• Disinfectant

• Cleaner

• Antiseptic

• Antibiotic