WorksheetsChemical reactions
Total questions: 17
Worksheet time: 9mins
What is a chemical reaction?
Magic!
When chemicals change
When atoms rearrange
When you make a cup of tea
What does reactivity mean?
Reactivity is how angry someone is
Reactivity is a measure of how quickly a substance melts
Reactivity is the tendency of something to take part in a chemical reaction
There are three ways to detect a chemical change. Choose the option with all three
Change in colour, gas is made, change in temperature
Change in colour, dissolving, change in temperature
Gas is made, change of state, mixing
Gas is made, change in temperature, dissolving
Which one is a sign of a physical change?
change in colour
gas is made
change of state
change in colour
Is ice melting a physical or a chemical change?
Physical
Chemical
Is burning a match a physical or a chemical change?
Physical
Chemical
Is diluting cordial a physical or a chemical change?
Physical
Chemical
Is baking a cake a physical or a chemical change?
Physical
Chemical
Is cooking some chicken a physical or a chemical change?
Physical
Chemical
Is boiling water a physical or a chemical change?
Physical
Chemical
Which metal is magnetic?
Sodium
Zinc
Cobalt
Magnesium
Which metal is soft?
Sodium
Zinc
Cobalt
Nickel
Which is correct?
Metal + oxide → Metal oxygen
Oxygen + oxide → metal
Metal + oxygen → Metal oxide
Which is correct?
Iron + oxygen → Iron oxide
Iron + oxide → Iron oxygen
Oxygen → Iron oxide
Which is correct?
Oxygen → oxide
Copper + oxygen → Copper oxide
Copper + oxide → Copper oxygen
Which is the correct equation for zinc reacting with oxygen?
Zinc + oxide → Zinc oxygen
Copper + oxygen → Copper oxide
Zinc + oxygen → Zinc oxide
Zinc + oxygen → Iron oxide
Which TWO non-metals are included in the reactivity series?
Hydrogen
Oxygen
Nitrogen
Carbon
