Question

VIII.Give reasons : 5×1=5

31.Sodium cannot be stored in water. 32.Diamond is an exemption of non – metals. 33.Weeds are needed to be removed before they produce vegetative parts. 34.Drip System is an effective modern method. 35.Pasteurised milk can be consume
without boiling​

Answer 1

Answer:

31. Sodium can't be stored under water as it reacts violently with water

32. Diamond is exceptional because it is hardest but other non metal do not have hardness

Answer 2

Answer:

1) sodium reacts with water

2) diamond is hardest

3) weeds are unuseful parts

4) Drip irrigation helps in saving of water

5) without pasteurization there would be more microorganisms in it