Question Text
Question 2 :
Solids expand the least and gasses expand the most on being heated.
Question 4 :
Equal volumes of different liquids expand by the different amount when they are heated to the same rise in temperature.
Question 5 :
Two rods A and B of the same metal, same length, but one solid and other hollow are heated to the same rise in temperature. Then
Question 8 :
Click and choose the correct answer.<br>Fields have to be regularly _________ according to the needs of crops.
Question 10 :
Click and choose the correct option.<br>The excessive use of __________ affects the salinity of soil and causes water and soil pollution.
Question 11 :
Click and choose the correct option.<br>All animals domesticated by human beings for their usefulness constitute ___________.
Question 13 :
Click and choose the correct option.<br>The rearing, breeding and management of fishes on a large scale is called __________.
Question 14 :
Click and choose the correct answer.<br>All animals domesticated by human beings for their usefulness constitute _______.