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Changes Of State And Specific Latent Heat (GCSE Physics)

The following is a GCSE Physics test covering 'Changes Of State And Specific Latent Heat' from the broader topic Particle Model Of Matter. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

Why would wrapping insulation around a beaker reduce the measured rate of cooling?
A liquid with a low latent heat of vaporisation will:
A student finds the energy required to melt 0.2 kg of aluminium is 6.84 × 10^4 J. What latent heat of fusion did they calculate for aluminium?
A heater supplies 2 000 J/s to a kettle for 30 s. If 0.1 kg of water evaporates during this time, what is the experimental value of the latent heat of vaporisation (Lv) calculated from these data?
A student heating ice measures time to melt under different insulating lids. They keep same mass of ice and same heater power. Which of these is a valid conclusion?
A metal block of mass 2.0 kg requires 16 000 J to increase its temperature by 10 °C. What is the specific heat capacity of the metal?
When a substance freezes, what happens to the internal energy and particle arrangement?
Why is it important to stir a sample of liquid during a specific heat capacity experiment?
A student measures the mass of water before and after boiling to find the mass evaporated. Which measurement change gives the best estimate of the mass evaporated?
A student uses a joulemeter and measures voltage, current and time to find energy input to boil water. Which result will most affect the uncertainty in a calculated latent heat value?
Which of the following best describes specific latent heat?