Daily Practice · GCSE Science
February 1959 5-a-day
Every sheet in February 1959
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st February 1959Define homozygous.
- 2nd February 1959Why is the burette rinsed with the solution it is going to contain rather than with water?
- 3rd February 1959State the relative mass and relative charge of a neutron.
- 4th February 1959Calculate the Mr of Ca(OH)2. (Ca = 40, O = 16, H = 1)
- 5th February 1959Molten zinc chloride, ZnCl2, is electrolysed using inert electrodes. Write the half equation for the reaction at (a) the cathode, and (b) the anode.
- 6th February 1959A tangent drawn to a volume-time graph at 15 seconds passes through the points (5 s, 6 cm3) and (25 s, 66 cm3). Calculate the rate of reaction at 15 seconds.
- 7th February 1959Which reagent is added, and in what colour change, to test for chlorine gas?
- 8th February 1959Explain how solid carbon particulates released by combustion can cause global dimming.
- 9th February 1959A lamp is supplied with 60 J and transfers 6 J as light. Calculate its efficiency as a percentage.
- 10th February 1959Define specific latent heat of fusion.
- 11th February 1959A gardener pushes a mower with a force of 60 N through a distance of 8.0 m. Calculate the work done. Use W = F x s.
- 12th February 1959State the difference between a transverse wave and a longitudinal wave.
- 13th February 1959Name the force that keeps the planets in orbit around the Sun.
- 14th February 1959Give the equation linking magnification, image size and real size.
- 15th February 1959Give one advantage and one disadvantage of a stent.
- 16th February 1959Name the organelle in a plant cell where photosynthesis takes place.
- 17th February 1959Explain why sweating cools the body down.
- 18th February 1959State what is meant by the term ecosystem.
- 19th February 1959Name one method used to sterilise fresh water during the production of potable water.
- 20th February 1959Describe metallic bonding.
- 21st February 1959Write the word equation for the reaction between zinc and hydrochloric acid.
- 22nd February 1959State whether breaking a chemical bond requires energy or releases energy.
- 23rd February 1959Name the catalyst used when an alkene reacts with hydrogen to form an alkane.
- 24th February 1959State the approximate percentage of nitrogen in today's atmosphere.
- 25th February 1959A spring is compressed. Which energy store increases?
- 26th February 1959Why does the national grid transmit electricity at a very high potential difference?
- 27th February 1959Why is the atomic model a good example of how scientific models change?
- 28th February 1959A force of 40 N is applied 0.25 m from a pivot. Calculate the moment.