74-75: Writing Down Chemical Reactions (Foundation)

Question 1

what reacts with hydrogen to make water?

Answer 1

oxygen

Question 2

Hydrogen reacts with oxygen to make what?

Answer 2

Water

Question 3

hydrogen + oxygen –> water (what is the PRODUCT in this equation?)

Answer 3

Water

Question 4

magnesium + oxygen –> what?

Answer 4

magnesium oxide

Question 5

In an equation what comes first, the non-metal or metal

Answer 5

Metal

Question 6

copper + sulphur + oxygen –> what?

Answer 6

copper sulphate

Question 7

what? + chlorine –> copper what?

Answer 7

Copper + chlorine –> copper chloride

Question 8

iron + oxygen –> what?

Answer 8

iron oxide

Question 9

finish this equation

hydrogen + oxygen->

Answer 9

water

Question 10

what is made when iron reacts with oxygen?

Answer 10

iron oxide

Question 11

what is made when magnesium is burned in the air?

Answer 11

magnesium oxide

Question 12

what is it called when a non-metal is joined to a metal?

Answer 12

a compound

Question 13

finish this equation

magnesium + chlorine->

Answer 13

magnesium chloride

Question 14

finish this equation

copper + sulphur + oxygen –>

Answer 14

copper sulphate

Question 15

what compound is formed when iron burns in chlorine?

Answer 15

iron chloride

Question 16

chemical reactions make _______substances?

Answer 16

new

Question 17

we show what happens in a chemical reactions by writing a word ________.?

Answer 17

equation

Question 18

Which is the correct ending in this equation?

iron + sulphur –> iron sulphide OR iron sulphate

Answer 18

iron sulphide