State whether they are physical change or chemical change:
A glass bottle breaking
Coal burning in air
Wool being knitted into a sweater

Open in App

Solution

1) A glass bottle breaking is a physical change.
2) Coal burning in air is a chemical change.
3) Wool being knitted into a sweater is a physical change.

Suggest Corrections

Similar questions

Q. (a) Give the main difference between physical changes and chemical changes.
(b) Which of the following are chemical changes and which physical ? Give reason.
(i) a glass bottle breaking
(ii) coal burning in air
(iii) making a cake
(iv) wool being knitted into a sweater

Q. State whether true or false
Burning of paper is a physical change.

Burning of a coal is a physical change or a chemical change?

Q. Group the following into physical change and chemical change.

Dissolving salt in

H_{2} O,

burning of a fuel, rusting or iron, melting of ice cube.

Question 11

State whether the following statements are true or false:

(a) When a candle burns, both physical and chemical changes take place.
(b) Anaerobic bacteria digest animal waste and produce biogas.
(c) Ships suffer a lot of damage though they are painted.
(d) Stretching of rubber band is not a physical change.

Join BYJU'S Learning Program

State whether they are physical change or chemical change:A glass bottle breakingCoal burning in airWool being knitted into a sweater

1) A glass bottle breaking is a physical change. 2) Coal burning in air is a chemical change. 3) Wool being knitted into a sweater is a physical change.

State whether they are physical change or chemical change:
A glass bottle breaking
Coal burning in air
Wool being knitted into a sweater

1) A glass bottle breaking is a physical change.
2) Coal burning in air is a chemical change.
3) Wool being knitted into a sweater is a physical change.