Question

Physical and chemical changes 20 each whether reversible or irreversible

Answer 1

chemical
germination of seeds
burning of wood/paper
souring of milk
mixing acid with base
digestion of food
rusting of iron
cooking of egg
baking of cake
carmel formed from sugar

physical
breaking of glass.
chopping of vegetables/wood
melting of ice
drying of clothes
dissolving sugar with water
crashing a can
tearing of paper
peeling of potato
solidifying of ice