Question

say the changes of
Curding
Rusting
Earthquake
Sublimation of camphor
Boiling
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Answer 1

Answer:

ok. so wait until I answer

curding - lactobacillus bacteria

rusting - mixing of iron and oxygen coverion into iron oxide

earthquake - tectonic plates when they merge

sub of camphor

boiling - when water is placed on stove or when heated

Answer 2

curding and rusting are chemical changes

and earthquake, sublimation of camphor and boiling are physical change

Explanation:

This is because only in first two processes new substances are formed