Daily Practice · GCSE Science
November 1979 5-a-day
Every sheet in November 1979
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st November 1979A 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.
- 2nd November 1979On what property are elements ordered in the modern periodic table?
- 3rd November 1979In the equation 2H2 + O2 gives 2H2O, how many moles of water are formed from 3 mol of hydrogen?
- 4th November 1979Using the values in the previous question, calculate the overall energy change for the reaction.
- 5th November 1979State the catalyst commonly used in the Haber process.
- 6th November 1979Why must dilute nitric acid be added before silver nitrate solution when testing for a halide ion?
- 7th November 1979State the equation for work done.
- 8th November 1979A resistor of resistance 15 ohm is connected to a 6.0 V supply. Calculate the current flowing through it. Use V = I x R.
- 9th November 1979State the relationship between pressure and volume for a fixed mass of gas at constant temperature.
- 10th November 1979Define the term 'vector quantity' and give one example.
- 11th November 1979Name the type of electromagnetic wave used to treat cancer by killing cells in a tumour, and state which part of the atom emits it.
- 12th November 1979State one difference between a moon and an artificial satellite.
- 13th November 1979Where in a plant are stem cells found?
- 14th November 1979Name the process by which dissolved sugars are transported in the phloem.
- 15th November 1979Why is photosynthesis described as endothermic?
- 16th November 1979Define phenotype.
- 17th November 1979State one human activity that reduces the amount of land available for other organisms.
- 18th November 1979State the two substances that must both be present for iron to rust.
- 19th November 1979State the size range of a nanoparticle.
- 20th November 1979Why is aluminium extracted by electrolysis rather than by reduction with carbon?
- 21st November 1979Explain, using collision theory, why increasing the concentration of a reactant in solution increases the rate of a reaction.
- 22nd November 1979Name the type of biological molecule formed when amino acid monomers join together by condensation polymerisation.
- 23rd November 1979State two long-term stores of carbon that removed carbon dioxide from the early atmosphere.
- 24th November 1979What happens to the energy described as 'wasted' in a transfer?
- 25th November 1979Calculate the energy needed to melt 0.50 kg of a substance with a specific latent heat of fusion of 210000 J/kg.
- 26th November 1979Explain the difference between irradiation and contamination.
- 27th November 1979A radio wave has a wavelength of 3 m. Calculate its frequency, given that all electromagnetic waves travel at 3 x 10^8 m/s in a vacuum.
- 28th November 1979Explain why electricity is transmitted through the National Grid at a very high voltage rather than at the voltage used in homes.
- 29th November 1979Name the structure in a plant cell that controls the substances entering and leaving the cell.
- 30th November 1979Name the products of protein digestion.