Question

Describe an activity to show that mixing of vinegar and baking powder is
2. How can you say that burning of a substance is an irreversible changes
Encircle the odd one out and give reasons for your choices.
(a) Souring of milk, inflating a balloon, cooking of food, burning of cod
(b) Making of ice cubes, melting of butter, frying of potatoes, heating of
How would you show that chemical changes are irreversible?​

Answer 1

Answer:

we can say a irreversible change

Explanation:

this is bcz(tricks to know a chemical change)-

- a gas is produced

-  color is changed

-a smell comes up

-heat may evolve

Answer 2

Answer:

2.burning of a substance is an irreversible change because if you're born a substance and your substance is formed and it is a irreversible change.