Metals And Non-Metals

Question 1

Metals are good conductors of..

Answer 1

Electricity and heat

Question 2

Corrosion

Answer 2

undesirable process whereby a metal changes to its oxide or some other compound by combining with oxygen from the air

Question 3

Rusting

Answer 3

Corrosion of Fe (iron)

Question 4

Zinc reacts with hydrochloric acid to form

Answer 4

Zinc chloride and hydrogen

Question 5

Malleable

Answer 5

Can be hammered into different shapes

Question 6

Ductile

Answer 6

Can be stretched into wires

Question 7

Unreactive metals

Answer 7

Can be found in nature (e.g. Silver and gold)

Question 8

Rusting needs

Answer 8

Water and oxygen

Question 9

Corrosion is prevented using

Answer 9

Paint, grease, galvanising, chrome plating

Question 10

Galvanising

Answer 10

Putting a layer of zinc on iron to prevent rusting

Question 11

Bronze

Answer 11

Copper and tin

Question 12

Brass

Answer 12

Copper and zinc

Question 13

Steel

Answer 13

Iron and carbon

Question 14

Solder

Answer 14

Lead and tin

Question 15

Cats Make Zebras Cry

Answer 15

Reactivity series in order: Calcium, magnesium, zinc, copper

Question 16

Periodic table

Answer 16

Left side of the stairs = metals, right side = non-metals

Question 17

Metals

Answer 17

Materials which are usually hard, dense, shiny and have high melting points