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Daily Practice · GCSE Science

March 1993 5-a-day

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March 1993

31 sheets · 155 questions · GCSE

March 1993 compilationAll answers

Every sheet in March 1993

The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.

  1. 1st March 1993Name the two parts of the central nervous system (CNS).
  2. 2nd March 1993Name the group of organisms that break down dead plant and animal matter, returning mineral ions to the soil.
  3. 3rd March 1993State one benefit of recycling metal rather than extracting new metal from its ore.
  4. 4th March 1993Name the three types of strong chemical bonding.
  5. 5th March 1993Give the formula for percentage yield.
  6. 6th March 1993A student reacts excess zinc powder with 25 cm3 of copper sulfate solution in a polystyrene cup. The starting temperature is 21.0 degrees C and the maximum temperature reached is 58.5 degrees C. Calculate the temperature change.
  7. 7th March 1993Hexadecane (C16H34) is cracked to produce dodecane (C12H26) and one other product. Calculate the molecular formula of the other product.
  8. 8th March 1993State two advantages of instrumental methods of analysis, such as GC-MS, compared with manual chemical tests.
  9. 9th March 1993Distinguish repeatability from reproducibility.
  10. 10th March 1993How does the resistance of a thermistor change as it gets hotter?
  11. 11th March 1993What is an alpha particle made of?
  12. 12th March 1993A resultant force of 60 N acts on a wheelbarrow of mass 15 kg. Calculate its acceleration.
  13. 13th March 1993State the difference between a permanent magnet and an induced magnet.
  14. 14th March 1993State whether a galaxy moving towards Earth would show a red-shift or a blue-shift in its light.
  15. 15th March 1993Explain why a plant cell placed in pure water does not burst.
  16. 16th March 1993State one way that pathogens can be spread from person to person.
  17. 17th March 1993State two things excess glucose can be converted into for storage in the human body.
  18. 18th March 1993Define homozygous.
  19. 19th March 1993In the rate experiment where a cross disappears, why is the result subjective?
  20. 20th March 1993An atom has an atomic number of 17 and a mass number of 37. How many neutrons does it have?
  21. 21st March 1993Calculate the number of moles in 20 g of calcium carbonate. (Mr = 100)
  22. 22nd March 1993Molten zinc chloride, ZnCl2, is electrolysed using inert electrodes. Write the half equation for the reaction at (a) the cathode, and (b) the anode.
  23. 23rd March 1993A 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.
  24. 24th March 1993A solid gives a lilac flame test. Name the metal ion present.
  25. 25th March 1993Name the two additional products that can form during the incomplete combustion of a hydrocarbon fuel.
  26. 26th March 1993Give the equation for efficiency in terms of energy.
  27. 27th March 1993Calculate the mass of 0.5 cubic metres of a material of density 2400 kilograms per cubic metre.
  28. 28th March 1993State whether friction is a contact force or a non-contact force.
  29. 29th March 1993State the difference between a transverse wave and a longitudinal wave.
  30. 30th March 1993Name the force that keeps the planets in orbit around the Sun.
  31. 31st March 1993State the function of the mitochondria.