Question

Q6.Give one example in each case: -
a) a change which occurs on mixing two substances but cannot be reversed? ​

Answer 1

Answer:

(e) Change which occurs on mixing two substances, but cannot be reversed. Question 16. A potter working on his wheel shaped a lump of clay into a pot. ... Shaping of pot on a wheel is a physical, reversible change while baking the pot in an oven is an irreversible change.

Answer 2

Answer:

Change which occurs on mixing two substances, but can be reversed: Formation of salt solution. Change which occurs on mixing two substances, but cannot be reversed:Mixing of cement and water.

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