Subject :NSO Class : Class 4
Dinesh wanted to test how hard are the objects made of materials P and Q, so he performed an experiment as shown.
Which of the following shows the hardness of objects P, Q and plastic in the correct order?
Hardest → Softest, Hardest → Softest
AP → Q → Plastic
BP → Plastic → Q
CQ → Plastic → P
DPlastic → P → Q
ðhow?
Ans 1:
Class : Class 7
B