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Daily Practice · GCSE Science

October 1963 5-a-day

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October 1963

31 sheets · 155 questions · GCSE

October 1963 compilationAll answers

Every sheet in October 1963

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

  1. 1st October 1963Describe the positive result of the Biuret test.
  2. 2nd October 1963What is tested during preclinical testing?
  3. 3rd October 1963Name the chemical released at a synapse that carries the signal across the gap.
  4. 4th October 1963Explain why deforestation to create land for cattle grazing can reduce biodiversity.
  5. 5th October 1963Name two methods of desalinating seawater.
  6. 6th October 1963Name the giant covalent structure made of carbon in which each carbon atom is bonded to four others.
  7. 7th October 1963Why do companies prefer reactions with a high atom economy?
  8. 8th October 1963On a reaction profile diagram, the reactants are drawn at a higher energy level than the products. State whether the reaction is exothermic or endothermic.
  9. 9th October 1963State two products, other than water, that can be formed during the incomplete combustion of a hydrocarbon.
  10. 10th October 1963Explain why the solvent level in the container must be below the pencil baseline.
  11. 11th October 1963In the specific heat capacity practical, why is the block insulated?
  12. 12th October 1963Describe the current-potential difference graph for a filament lamp.
  13. 13th October 1963State the difference between irradiation and contamination.
  14. 14th October 1963Explain why a larger vehicle mass increases braking distance.
  15. 15th October 1963State the type of force that always acts between an induced magnet and the magnet that induced it.
  16. 16th October 1963Name the model of the origin of the universe that is supported by red-shift observations.
  17. 17th October 1963Name the process that moves substances against a concentration gradient.
  18. 18th October 1963Describe how phagocytes destroy pathogens in the body.
  19. 19th October 1963Define oxygen debt.
  20. 20th October 1963Explain one benefit of the Human Genome Project.
  21. 21st October 1963Why is the burette rinsed with the solution it is going to contain rather than with water?
  22. 22nd October 1963State the relative mass and relative charge of a neutron.
  23. 23rd October 1963Calculate the Mr of Ca(OH)2. (Ca = 40, O = 16, H = 1)
  24. 24th October 1963Explain why solid sodium chloride does not conduct electricity, but molten sodium chloride does.
  25. 25th October 1963In the gas-volume required practical measuring how concentration affects rate, state one variable that should be controlled.
  26. 26th October 1963Which reagent is added, and in what colour change, to test for chlorine gas?
  27. 27th October 1963Explain how solid carbon particulates released by combustion can cause global dimming.
  28. 28th October 1963A lamp is supplied with 60 J and transfers 6 J as light. Calculate its efficiency as a percentage.
  29. 29th October 1963Define specific latent heat of fusion.
  30. 30th October 1963Calculate the weight of an object of mass 8.0 kg on Earth, where g = 9.8 N/kg.
  31. 31st October 1963A wave travels from air into glass and slows down. State what happens to its direction, and explain why in terms of wavelength.