State whether the following changes are chemical or physical in nature

a). Boiling of water

b). Tearing of cloth

c). Making lemonade.

d). Lighting a diya.

e). Chewing food.

f). Breaking a plastic stick.

g). Rusting of nail.

h). Burning gas in a gas stove.

i). Melting of ice cream

j) Cutting wood

k). Cooking food

l). Stretching a rubber band

a). Boiling of water :- Physical change 

b). Tearing of cloth :- Physical change 

c). Making lemonade. :- Physical change 

d). Lighting a diya :- Chemical change 

e). Chewing food :- physical change 

f). Breaking a plastic stick :- Physical change 

g). Rusting of nail :- Chemical change 

h). Burning gas in a gas stove :- Chemical change

i). Melting of ice cream :- Physical change 

j) Cutting wood :- physical change 

k). Cooking food :- Chemical change 

l). Stretching a rubber band :- Physical change