Daily Practice · GCSE Science
November 1972 5-a-day
Every sheet in November 1972
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st November 1972State the pH value of a neutral solution.
- 2nd November 1972State whether forming a new chemical bond requires energy or releases energy.
- 3rd November 1972State the general formula of the alkenes.
- 4th November 1972Explain, in terms of infrared radiation, how greenhouse gases keep the Earth warm.
- 5th November 1972A motor is supplied with 800 J of energy and wastes 240 J as heat. Calculate its efficiency as a percentage.
- 6th November 1972What is the difference between alternating and direct current?
- 7th November 1972What observation showed that the atom is mostly empty space?
- 8th November 1972A box of weight 120 N has a base area of 0.40 m^2. Calculate the pressure it exerts on the ground.
- 9th November 1972Explain why a current-carrying wire positioned exactly parallel to a magnetic field experiences no force.
- 10th November 1972In the microbiology practical, why are agar plates incubated at 25 degrees Celsius in schools rather than at 37 degrees Celsius?
- 11th November 1972An amylase reaction is complete after 200 seconds. Calculate the rate of reaction using rate = 1000 / time.
- 12th November 1972Why can HIV not be treated with antibiotics?
- 13th November 1972Name the three parts common to every homeostatic control system.
- 14th November 1972State one advantage and one disadvantage of selective breeding in farm animals.
- 15th November 1972An atom has atomic number 11 and mass number 23. State the number of protons.
- 16th November 1972State the trend in reactivity down group 7 and name the most reactive halogen listed on the periodic table.
- 17th November 1972Define the limiting reactant.
- 18th November 1972State whether the combustion of methane is exothermic or endothermic.
- 19th November 1972In the Haber process, N2(g) + 3H2(g) -> 2NH3(g), state the effect of decreasing the pressure on the position of equilibrium.
- 20th November 1972Explain how the sodium hydroxide test distinguishes aluminium ions from calcium ions, given that both give a white precipitate.
- 21st November 1972Why should you write down the equation even if you cannot finish the calculation?
- 22nd November 1972Two resistors are connected in parallel across a 12 V battery. State the potential difference across each resistor.
- 23rd November 1972What causes the pressure of a gas on the walls of its container?
- 24th November 1972A train travels at a constant velocity of 40 m/s for 3 minutes. Calculate the distance it travels, in km.
- 25th November 1972A 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).
- 26th November 1972Put the following in order of increasing distance from the Sun: Mars, Venus, Saturn, Earth.
- 27th November 1972Give one advantage of therapeutic cloning over using unrelated embryonic stem cells.
- 28th November 1972Why are xylem cells strengthened with lignin?
- 29th November 1972Why is glucose converted into starch for storage?
- 30th November 1972Name the three-domain system of classification, and name the scientist most associated with proposing it.