Revision Library
/Subjects/Science/Daily Practice
Daily Practice · GCSE Science

October 1975 5-a-day

← Today's GCSE Science sheet

October 1975

31 sheets · 155 questions · GCSE

October 1975 compilationAll answers

Every sheet in October 1975

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 1975Give one reason distillation of seawater requires a large energy input.
  2. 2nd October 1975What type of bonding is present in a compound formed between a metal and a non-metal?
  3. 3rd October 1975A student reacts 2.4 g of magnesium with excess dilute hydrochloric acid: Mg + 2HCl -> MgCl2 + H2. Relative atomic mass of Mg = 24. Calculate the number of moles of hydrogen gas produced.
  4. 4th October 1975State the two substances that react inside a hydrogen fuel cell.
  5. 5th October 1975Describe the colour change seen when an alkene is shaken with bromine water.
  6. 6th October 1975Name the two gases released in large amounts by volcanic activity that formed most of the Earth's early atmosphere.
  7. 7th October 1975Name the energy store associated with a moving car.
  8. 8th October 1975State the potential difference and frequency of the UK mains supply.
  9. 9th October 1975What did Bohr add to the nuclear model?
  10. 10th October 1975State the name of the upward force acting on an object placed in a fluid.
  11. 11th October 1975A current-carrying wire experiences a force of 1.2 N when placed at right angles to a magnetic field of flux density 0.40 T, carrying a current of 6.0 A. Calculate the length of wire in the field.
  12. 12th October 1975Why must the same volume of solution be used in every tube in an enzyme investigation?
  13. 13th October 1975State the type of large biological molecule that all enzymes are made from.
  14. 14th October 1975Describe the symptoms of rose black spot and its effect on the plant.
  15. 15th October 1975State one difference between nervous and hormonal coordination.
  16. 16th October 1975State what is meant by a selection pressure.
  17. 17th October 1975A sample contains 90% of an isotope with mass number 10 and 10% of an isotope with mass number 11. Calculate the relative atomic mass, to 1 decimal place.
  18. 18th October 1975Why did Mendeleev leave gaps in his table?
  19. 19th October 1975Calculate the mass of 0.25 mol of sodium hydroxide, NaOH. (Na = 23, O = 16, H = 1)
  20. 20th October 1975Using the values in the previous question, calculate the overall energy change for the reaction.
  21. 21st October 1975State Le Chatelier's principle in your own words.
  22. 22nd October 1975State the flame test colour for sodium ions.
  23. 23rd October 1975Calculate the gravitational potential energy gained by a 60 kg person climbing 5 m. (g = 9.8 N/kg)
  24. 24th October 1975A resistor of resistance 15 ohm is connected to a 6.0 V supply. Calculate the current flowing through it. Use V = I x R.
  25. 25th October 1975A gas at 200 kPa occupies 3.0 cubic metres. It is compressed to 1.5 cubic metres at constant temperature. Calculate the new pressure.
  26. 26th October 1975On a velocity-time graph, what does the area between the line and the time axis represent?
  27. 27th October 1975State the speed of all electromagnetic waves travelling through a vacuum.
  28. 28th October 1975State the name of the force that keeps a satellite in orbit around the Earth.
  29. 29th October 1975State three functions of mitosis.
  30. 30th October 1975What happens to guard cells when a plant is short of water?
  31. 31st October 1975Write the word equation for photosynthesis.