Give 3 examples of a non-ferrous material.
Non-ferrous material:
Examples:
Hence, non-ferrous materials might be made of elements or alloys like copper, aluminium, or zinc.
(a) What is meant by non-biodegradable waste materials? Give two examples of non-biodegradable wastes.
(b) Which of the following materials are biodegradable? Animal bones, Iron nails, Plastic mugs, Leather belts, Silver foil.
Question 1
Lustre is the shine of a material.
(a) What are Lustrous objects? Give examples
(b) What are non-lustrous objects? Give examples
(c) Name a non-metal that is lustrous in nature (HINT: it is the hardest known material).
Give two examples each of, biodegradable and non-biodegradable material. [2 MARKS]