Daily Practice · GCSE Science
June 1969 5-a-day
Every sheet in June 1969
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st June 1969A gas syringe collects 48 cubic centimetres of gas in 40 seconds. Calculate the mean rate.
- 2nd June 1969Why do isotopes of an element react in the same way?
- 3rd June 1969Calculate the Mr of calcium carbonate, CaCO3. (Ca = 40, C = 12, O = 16)
- 4th June 1969State the two materials commonly used as inert electrodes in electrolysis, and explain why they must be inert.
- 5th June 1969Explain how a catalyst increases the rate of a reaction without being used up.
- 6th June 1969State the reagent added, and the result, that shows a white solid contains sulfate ions.
- 7th June 1969State the two products of the complete combustion of a hydrocarbon fuel.
- 8th June 1969State one way to increase the efficiency of a motor.
- 9th June 1969Why is the density of a gas much lower than that of the same substance as a liquid?
- 10th June 1969A resultant force of 45 N acts on an object of mass 9.0 kg. Calculate its acceleration. Use F = m x a.
- 11th June 1969Give one everyday example of a transverse wave and one everyday example of a longitudinal wave.
- 12th June 1969State what happens to the orbital speed needed for a stable orbit as the orbital radius increases.
- 13th June 1969Name two structures found in a plant cell but not in an animal cell.
- 14th June 1969Why is the wall of the left ventricle thicker than that of the right ventricle?
- 15th June 1969State three factors that can limit the rate of photosynthesis.
- 16th June 1969Explain why type 1 diabetes is treated with insulin injections rather than tablets.
- 17th June 1969State one abiotic factor that can affect the population of fish living in a pond.
- 18th June 1969Explain, in terms of particle size, how reverse osmosis separates water from dissolved salt.
- 19th June 1969What type of bonding is present in a compound formed between a metal and a non-metal?
- 20th June 1969Explain why aluminium cannot be extracted from aluminium oxide by heating with carbon.
- 21st June 1969State the two substances that react inside a hydrogen fuel cell.
- 22nd June 1969Name the alkene with the molecular formula C4H8.
- 23rd June 1969Name three greenhouse gases.
- 24th June 1969A kettle transfers 360000 J of energy in 150 s. Calculate its power in watts.
- 25th June 1969State the potential difference and frequency of the UK mains supply.
- 26th June 1969What did Bohr add to the nuclear model?
- 27th June 1969A spanner is used to loosen a bolt. Explain why using a longer spanner makes it easier to loosen the bolt.
- 28th June 1969State two ways of increasing the force produced by a motor effect setup, for a wire of fixed length at a fixed angle to the field.
- 29th June 1969Why must the same volume of solution be used in every tube in an enzyme investigation?
- 30th June 1969Name the plant tissue that transports water and dissolved minerals from the roots to the leaves.