Question

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

Answer 1

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