1. Name the metals that are good conductors of electricity.
2. Why is copper used to make wires for electrical fitting?
3.
State at least two uses of nitrogen gas.

1 iron

2because copper is good conducter of electricity

3.1 for making fertilizer

2for making ammoina gas

1. a) Silver

b) Copper

c) Gold

d) Aluminium

e) Brass

f) Zinc

g) Nickel

h) Iron

i) Tin

j) Phosphor Bronze

k) Steel

l) Lead

m) Nickel Aluminium Bronze

2. Reason why copper wires used for electrical fittings:-

● Excellent Conductor of Electricity

● Very Ductile Metal

● Favorable Chemical Properties

● High Temperature Tolerance

● Global Standard

● Abundant Quantity

● High Conductivity

● Inexpensive

● High Ductility

3. Nitrogen is important to the chemical industry. It is used to make fertilisers, nitric acid, nylon, dyes and explosives.

.) the observation by semmelweis that more mothers died of childbed fever when their doctors also worked in the morgue