Food preservation

Question 1 of 10

Jam keeps for a long time mainly because of its

Question 2 of 10

Vacuum packing preserves food by

Question 3 of 10

Drying fish and fruit preserves them because it

Question 4 of 10

Pasteurisation of milk involves

Question 5 of 10

Making jam preserves fruit using a high concentration of

Question 6 of 10

Irradiation preserves food by

Question 7 of 10

Pasteurising milk by heating it to about 72 °C for 15 seconds mainly

Question 8 of 10

Canning preserves food by

Question 9 of 10

Freezing preserves food because low temperatures

Question 10 of 10

Pickling preserves vegetables in