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WorksheetsYr 9 Revision quiz
Total questions: 15
Worksheet time: 8mins
What happens when a bond forms between two atoms?
Energy is taken in from the surroundings
Energy is released
Nothing happens
Write a definition of exothermic.
Energy is taken in from the surroundings
Energy is released into the surroundings
Energy is conserved in a reaction
Is Combustion an Endo or Exothermic reaction?
Exothermic
Endothermic
Neither
Depends on the fuel
Which of the following is an application of thermite reactions?
Make car batteries
Weld railway lines
Meat tenderiser
Fermentation of sugars
Sulfur dioxide is released when fossil fuels burn. What does sulfur dioxide cause?
Global warming
Acid rain
Smog
When are bar charts used?
If dependent variable is a number and independent variable is not continuous
If dependent variable is a number and independent variable is continuous
When are line graphs used?
If dependent variable is a number and independent variable is not continuous
If dependent variable is a number and independent variable is continuous
Which side of the periodic table contains metals?
Left
Right
Where are alkali metals found in the periodic table?
Group 7
Group 2
Group 1
Name 6 alkali metals in order of reactivity (low to high)
Francium, caesium, rubidium, Lithium, potassium, sodium,
Francium, caesium, rubidium, potassium, sodium, lithium
Lithium, sodium, potassium, rubidium, caesium, francium
What is formed when alkali metals (group 1) react with water?
Alkaline metal hydroxide and hydrogen
Oxygen and a soluble acid
Alkaline metal hydroxide and carbon dioxide
Which gas is produced when a metal reacts with acid?
Oxygen
Carbon dioxide
Hydrogen
A student reacts magnesium and oxygen. Calculate the mass of magnesium oxide that will be produced if 12.2g of magnesium react with 8.0g of oxygen.
1.5g
20.2g
4.2g
97.6g
Calculate the mass of carbon in carbon dioxide from the following data. Mass of carbon 12g Mass of carbon dioxide = 44g
33%
37%
27%
Which alkali metal is this
Sodium
Lithium
Potassium
Rubidium
