Daily Practice · GCSE Science
September 1967 5-a-day
Every sheet in September 1967
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st September 1967Give one reason distillation of seawater requires a large energy input.
- 2nd September 1967Why can an ionic compound conduct electricity when molten or dissolved but not when solid?
- 3rd September 1967A 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.
- 4th September 1967State the only substance produced when a hydrogen fuel cell reacts pure hydrogen with pure oxygen.
- 5th September 1967Name the alkene with the molecular formula C4H8.
- 6th September 1967Name the two gases released in large amounts by volcanic activity that formed most of the Earth's early atmosphere.
- 7th September 1967Name the energy store associated with a moving car.
- 8th September 1967Give the colour and function of the earth wire.
- 9th September 1967What observation showed the nucleus is positively charged and very small?
- 10th September 1967A spanner is used to loosen a bolt. Explain why using a longer spanner makes it easier to loosen the bolt.
- 11th September 1967State two ways of increasing the force produced by a motor effect setup, for a wire of fixed length at a fixed angle to the field.
- 12th September 1967A student measures 24 cubic centimetres of gas in 3 minutes. Calculate the rate.
- 13th September 1967State the type of large biological molecule that all enzymes are made from.
- 14th September 1967Give one way of reducing the spread of malaria.
- 15th September 1967Name the hormone released when blood glucose concentration is too high, and state its overall effect.
- 16th September 1967Define mutation.
- 17th September 1967A 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.
- 18th September 1967Why do elements in the same group have similar chemical properties?
- 19th September 1967Why is the amount of product directly proportional to the amount of limiting reactant?
- 20th September 1967Using the values in the previous question, calculate the overall energy change for the reaction.
- 21st September 1967The forward reaction of a particular reversible reaction is exothermic. State whether the reverse reaction is exothermic or endothermic.
- 22nd September 1967A solution forms a green precipitate with sodium hydroxide solution. Which ion is present?
- 23rd September 1967Give the equation for wave speed and its units.
- 24th September 1967A resistor of resistance 15 ohm is connected to a 6.0 V supply. Calculate the current flowing through it. Use V = I x R.
- 25th September 1967Why does reducing the volume of a gas increase the pressure even though the molecules do not speed up?
- 26th September 1967State what the gradient of a distance-time graph represents.
- 27th September 1967Explain why ultraviolet, X-rays and gamma rays can be hazardous to human health, but radio waves are not.
- 28th September 1967Explain, in terms of forces, why a satellite in a stable orbit does not fall towards the Earth or fly off into space.
- 29th September 1967Give one risk of stem cell treatment.
- 30th September 1967Why does a potometer measure water uptake rather than transpiration directly?