Subject :NSO Class : Class 7
Different types of changes are listed as :
P - Physical, reversible
Q - Physical, irreversible
R - Chemical, irreversible
S - Both physical and chemical
Some common changes around us are
(i) Decomposition of old leaves
(ii) Burning of a candle
(iii) Shredding of paper
(iv) Melting of an ice cream
Which of the following represents the correct match
for the given changes?
AP - (iii), Q - (ii), R - (i), S - (iv)
BP - (iv), Q - (iii), R - (i), S - (ii)
CP - (iv), Q - (iii), R - (ii), S - (i)
DP - (i), Q - (ii), R - (iii), S - (iv)