Daily Practice · GCSE Science
November 1978 5-a-day
Every sheet in November 1978
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st November 1978Define osmosis.
- 2nd November 1978A student measures the mean diameter of a zone of inhibition as 12 mm. Calculate its radius.
- 3rd November 1978State two things excess glucose can be converted into for storage in the human body.
- 4th November 1978Define homozygous.
- 5th November 1978A gas syringe collects 48 cubic centimetres of gas in 40 seconds. Calculate the mean rate.
- 6th November 1978Why do isotopes of an element react in the same way?
- 7th November 1978Calculate the Mr of calcium carbonate, CaCO3. (Ca = 40, C = 12, O = 16)
- 8th November 1978Molten zinc chloride, ZnCl2, is electrolysed using inert electrodes. Write the half equation for the reaction at (a) the cathode, and (b) the anode.
- 9th November 1978A tangent drawn to a volume-time graph at 15 seconds passes through the points (5 s, 6 cm3) and (25 s, 66 cm3). Calculate the rate of reaction at 15 seconds.
- 10th November 1978State the reagent added, and the result, that shows a white solid contains sulfate ions.
- 11th November 1978State the two products of the complete combustion of a hydrocarbon fuel.
- 12th November 1978State one way to increase the efficiency of a motor.
- 13th November 1978Why is the density of a gas much lower than that of the same substance as a liquid?
- 14th November 1978A resultant force of 45 N acts on an object of mass 9.0 kg. Calculate its acceleration. Use F = m x a.
- 15th November 1978State the difference between a transverse wave and a longitudinal wave.
- 16th November 1978Name the force that keeps the planets in orbit around the Sun.
- 17th November 1978Name two structures found in a plant cell but not in an animal cell.
- 18th November 1978Why is the wall of the left ventricle thicker than that of the right ventricle?
- 19th November 1978State three factors that can limit the rate of photosynthesis.
- 20th November 1978Explain why sweating cools the body down.
- 21st November 1978State one abiotic factor that can affect the population of fish living in a pond.
- 22nd November 1978Explain, in terms of particle size, how reverse osmosis separates water from dissolved salt.
- 23rd November 1978What type of bonding is present in a compound formed between a metal and a non-metal?
- 24th November 1978Explain why aluminium cannot be extracted from aluminium oxide by heating with carbon.
- 25th November 1978State the two substances that react inside a hydrogen fuel cell.
- 26th November 1978Name the catalyst used when an alkene reacts with hydrogen to form an alkane.
- 27th November 1978Name three greenhouse gases.
- 28th November 1978A kettle transfers 360000 J of energy in 150 s. Calculate its power in watts.
- 29th November 1978State the potential difference and frequency of the UK mains supply.
- 30th November 1978What did Bohr add to the nuclear model?