Practise Edexcel IGCSE Physics safe experimental methods by naming suitable safety precautions and choosing apparatus for practical measurements.
This question is about liquid nitrogen.
A teacher uses this method to find the density of liquid nitrogen.
- measure the mass of a container
- pour liquid nitrogen into the container
- measure the total mass of the container and the liquid nitrogen
- read the volume of the liquid nitrogen from the scale on the side of the container
Give a safety precaution the teacher should take when pouring the liquid nitrogen.
Any one from:
- safety goggles
- gauntlets / gloves
- not splashing
- equivalent safety precaution
State the name of the apparatus that the teacher should use to measure the mass of the container.
balance
Accept:
- scales
Ignore:
- meter(s)