Daily Practice · GCSE Science
September 1956 5-a-day
Every sheet in September 1956
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st September 1956Why can an ionic compound conduct electricity when molten or dissolved but not when solid?
- 2nd September 1956State the pH value of a neutral solution.
- 3rd September 1956State the only substance produced when a hydrogen fuel cell reacts pure hydrogen with pure oxygen.
- 4th September 1956State the general formula of the alkenes.
- 5th September 1956Explain, in terms of infrared radiation, how greenhouse gases keep the Earth warm.
- 6th September 1956A motor is supplied with 800 J of energy and wastes 240 J as heat. Calculate its efficiency as a percentage.
- 7th September 1956Give the colour and function of the earth wire.
- 8th September 1956What observation showed the nucleus is positively charged and very small?
- 9th September 1956A box of weight 120 N has a base area of 0.40 m^2. Calculate the pressure it exerts on the ground.
- 10th September 1956Explain why a current-carrying wire positioned exactly parallel to a magnetic field experiences no force.
- 11th September 1956A student measures 24 cubic centimetres of gas in 3 minutes. Calculate the rate.
- 12th September 1956An amylase reaction is complete after 200 seconds. Calculate the rate of reaction using rate = 1000 / time.
- 13th September 1956Give one way of reducing the spread of malaria.
- 14th September 1956Name the three parts common to every homeostatic control system.
- 15th September 1956State one advantage and one disadvantage of selective breeding in farm animals.
- 16th September 1956An atom has atomic number 11 and mass number 23. State the number of protons.
- 17th September 1956Why do elements in the same group have similar chemical properties?
- 18th September 1956Why is the amount of product directly proportional to the amount of limiting reactant?
- 19th September 1956State whether the combustion of methane is exothermic or endothermic.
- 20th September 1956In the Haber process, N2(g) + 3H2(g) -> 2NH3(g), state the effect of decreasing the pressure on the position of equilibrium.
- 21st September 1956A solution forms a green precipitate with sodium hydroxide solution. Which ion is present?
- 22nd September 1956Give the equation for wave speed and its units.
- 23rd September 1956Two resistors are connected in parallel across a 12 V battery. State the potential difference across each resistor.
- 24th September 1956Why does reducing the volume of a gas increase the pressure even though the molecules do not speed up?
- 25th September 1956A train travels at a constant velocity of 40 m/s for 3 minutes. Calculate the distance it travels, in km.
- 26th September 1956A microwave oven uses electromagnetic waves with a wavelength of 0.12 m. Calculate the frequency of these waves (speed of light = 3 x 10^8 m/s).
- 27th September 1956Put the following in order of increasing distance from the Sun: Mars, Venus, Saturn, Earth.
- 28th September 1956Give one risk of stem cell treatment.
- 29th September 1956Why does a potometer measure water uptake rather than transpiration directly?
- 30th September 1956Why does the rate of photosynthesis fall at very high temperatures?