Year 11 Mock DIRT

What piece of equipment should you use to measure out 25cm3 of alkali for a titration

• Beaker

• Pipette

• Burette

• Conical Flask

When calculating a mean, what should you do with the anomalies?

• Use them in your calculation

• Remove them from your calculation

What is a control variable?

• The one you keep the same

• The one you measure

• The one you change

• The one you ignore

How many protons does carbon have?

• 12

• 7

• 6

• 13

Why does methane have a low boiling point?

• Covalent bonds and intermolecular forces are weak

• Only covalent bonds are weak

• Intermolecular forces are weak

What is the shape of a buckminsterfullerene molecule?

• Cubic

• Cylindrical

• Spherical

• Square

How many covalent bonds does each carbon atom in graphite form?

• 1

• 2

• 3

• 4

Copper carbonate and sulphuric acid react to for the salt copper carbonate. What salt would the reaction of calcium carbonate and sulphuric acid produce?

• Calcium carbonate

• Calcium sulphate

• Copper oxide

• Calcium oxide

When producing a salt, what piece of equipment should you use to warm the filtrate?

• Bunsen burner

• Water bath

• Fire

• Blowtorch

What percentage of the earth's atmosphere is oxygen?

• 20

• 80

• 50

• 42