Question

some processes involve more than one kind of change.Give two examples to justify the statement​

Answer 1

Answer:

1.when an iron blade is dipped in copper sulphate solution,two changes occurs:-copper sulphate solution's colour(blue)changes into green colour (2)A brown coloured layer (not rust)deposits 2.when milk is set into curd,two changes occurs:- (1)it's taste changes (2) it's composition also change