Subject :NSO Class : Class 7
Which canned drink will remain cold the longest?
A P
B Q
C R
D Both P and Q
i think the answer is D because cotton also traps air and thus reduces the heat incoming or radiating.
Ans 1:
Class : Class 7
p
Ans 2:
Class : Class 7
ns is C
Ans 3:
Class : Class 8
q
Ans 4:
Class : Class 7
Bubble pack is a good insulator than a cotton wool.
Ans 5:
Class : Class 7
ans is c
Ans 6:
Class : Class 7