Question

Write an activity to test presence of water in the food.

Answer 1

Answer:

Put the food item into a test tube. Add 10 drops of water and shake the test tube. Using a dropper add two drops of copper sulphate solution to the test tube. Add 10 drops of caustic soda solution and shake the test tube.

Answer 2

Answer:

i. Put the food item into a test tube.

ii. Add 10 drops of water and shake the test tube.

iii. Using a dropper add two drops of copper sulphate solution to the test tube.

iv. Add 10 drops of caustic soda solution and shake the test tube.

Hope it may help.