Question 13 Marks
You need to have containers for collection of
$(i)$ food waste,
$(ii)$ broken glass and
$(iii)$ wastepaper. Which materials will you choose for containers of these types of waste? What properties of materials do you need to think of?
$(i)$ food waste,
$(ii)$ broken glass and
$(iii)$ wastepaper. Which materials will you choose for containers of these types of waste? What properties of materials do you need to think of?
Answer
View full question & answer→$(i)$ Plastic containers or stainless steel dustbins can be used to collect food waste as these are non-porous, durable, resistant to moisture, and easy to clean. Plastic containers are lightweight, and can be easily washed. Stainless steel is resistant to corrosion. Avoid materials that absorb odour or allow leakage.
$(ii)$ Cardboard boxes with polypropylene bags can be used for safe and convenient disposal of broken glass. As these are non-porous. Cardboard boxes are cost- effective and recyclable. Avoid using glass containers for broken glass due to safety concerns. Plastic containers are also suitable.
$(iii)$ Containers used to collect wastepaper should be able to hold paper without tearing or deforming. Jute bags, paper or cardboard bags, plastic bags/containers can be used to collect wastepaper. Avoid using glass or metal containers for wastepaper.
$(ii)$ Cardboard boxes with polypropylene bags can be used for safe and convenient disposal of broken glass. As these are non-porous. Cardboard boxes are cost- effective and recyclable. Avoid using glass containers for broken glass due to safety concerns. Plastic containers are also suitable.
$(iii)$ Containers used to collect wastepaper should be able to hold paper without tearing or deforming. Jute bags, paper or cardboard bags, plastic bags/containers can be used to collect wastepaper. Avoid using glass or metal containers for wastepaper.
