(a) Mention two gases that are soluble in water.
(b) Name two apparatus that could be used to measure 9.50 cm\(^3\) of a solution accurately.
(c) What is the use of a fume cupboard in the laboratory?
(d) Name three personal protective equipment that are used in the laboratory.
(a) Gases that are soluble in water are:
- Ammonia
- Hydrogen chloride
- oxygen,
- carbon dioxide,
- Sulphur dioxide,
- chlorine, and
- hydrogen sulfide.
(b) Apparatus that could be used to measure volume of solutions accurately:
- volumetric flask,
- graduated cylinder,
- burette, or
- volumetric pipette.
(c) In a laboratory, fume cupboards are essential safety equipment used to capture and remove airborne hazardous or poisonous substances like gases, vapours, aerosols, and dust, protecting users from exposure to harmful chemicals.
(d) Personal protective equipment (PPE) used in the laboratory.
- Lab coats
- safety glasses
- respiratory protector
- Hand gloves
- Face shield
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