Question

I. Fill in the following:
1. Малкия
is the only non-metal in liquid state
2. Phosphorus burns in the air at ordinary temperature so it is store
is used to make wires for electrical communication
3.
4.
(metal) is stored in kerosene
5. Iodine
is used as an antiseptic.
6. Pencil lead is made of
7. Name the non-metal that is the only conductor of electricity grap
8. Iron metal reacts with oxygen to form rust. State whether the rust is
9. Name the metal which is used in crackers Phosphorus​

Answer 1

Answer:

1-mercury

2-water

3-copper

4-sodium

5-iodine

6-graphite

7-graphite

8-iron oxide due to oxidation

9-Aluminium powder, sulphur and potassium nitrate go into noise-making crackers, while barium nitrate (green) and strontium nitrate (red) emit light.

Answer 2

Answer:

1. Mercury is the only non metal liquid state

3. copper is used to make electrical wires

4. sodium is stored in kerosene

6. graphite

7. graphite

9. sulphur

I don't know but you have answered most questions