Daily Practice · GCSE Science
March 1957 5-a-day
Every sheet in March 1957
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st March 1957Define the limiting reactant.
- 2nd March 1957A reaction profile shows the reactants at 220 kJ and the products at 340 kJ. State whether the reaction is exothermic or endothermic.
- 3rd March 1957State the effect of increasing the temperature on the position of equilibrium of a reaction whose forward reaction is exothermic.
- 4th March 1957Explain how the sodium hydroxide test distinguishes aluminium ions from calcium ions, given that both give a white precipitate.
- 5th March 1957Why should you write down the equation even if you cannot finish the calculation?
- 6th March 1957State the UK mains supply frequency and typical potential difference.
- 7th March 1957What causes the pressure of a gas on the walls of its container?
- 8th March 1957A car's velocity increases from 8 m/s to 20 m/s over 4 seconds. Calculate its acceleration.
- 9th March 1957State one medical use of X-rays and one safety precaution taken when X-rays are used in a hospital.
- 10th March 1957State two uses of artificial satellites.
- 11th March 1957Give one advantage of therapeutic cloning over using unrelated embryonic stem cells.
- 12th March 1957Why are xylem cells strengthened with lignin?
- 13th March 1957Why is glucose converted into starch for storage?
- 14th March 1957State one difference between selective breeding and genetic engineering.
- 15th March 1957State one way in which high biodiversity benefits an ecosystem.
- 16th March 1957Explain how painting an iron gate helps prevent it from rusting.
- 17th March 1957Why can an ionic solid not conduct electricity?
- 18th March 1957Name the salt made from zinc oxide and nitric acid.
- 19th March 1957State what is meant by a catalyst.
- 20th March 1957State the functional group found in all carboxylic acids.
- 21st March 1957Explain, in one sentence, why the oceans were able to form only after the early Earth had cooled.
- 22nd March 1957Define specific heat capacity.
- 23rd March 1957A 1.5 kg block of iron is heated from 18 degrees C to 98 degrees C. The specific heat capacity of iron is 450 J/(kg degrees C). Calculate the change in thermal energy.
- 24th March 1957State the number of protons and the number of neutrons in an alpha particle.
- 25th March 1957State the speed at which all electromagnetic waves travel through a vacuum.
- 26th March 1957A transformer has 500 turns on its primary coil and 2500 turns on its secondary coil. State, with a reason, whether this is a step-up or a step-down transformer.
- 27th March 1957State one structure found in a bacterial cell but not in an animal cell.
- 28th March 1957Why does a food test for sugars need a water bath?
- 29th March 1957Explain what is meant by a double blind trial.
- 30th March 1957Name the two parts of the central nervous system (CNS).
- 31st March 1957Name the group of organisms that break down dead plant and animal matter, returning mineral ions to the soil.