Question

1.
Name (i) one metal and (ii) one non-metal which normally exists in the liquid
state.
2.
State the fraction of gold present in an 18 carat gold piece.
3.
State the property of copper wires that makes them useful for electrical fittings.
4.
Define an alloy.
5.
List
any two uses of non-metals.​

Answer 1

Answer:

1 mercury is the metal. bromine is non metal .

3 copper is the preferred metal for electrical wires for several reasons,it's inexpensive , it ductile,a nd it's thermal resistance .

Answer 2

Answer:

1. mercury,bromina.

2. cheaply available, very good conductor of electric current.

3. out of 24 parts - 18 parts gold and 6 parts of silver and copper.

4. In allay is a hamoginous mixture of one or more metals, or a metal and a non-metal.