Pick out chemical changes from the following.

(a) Condensation
(b) Photosynthesis
(c) Evaporation
(d) Burning
(e) Melting

a, b, d and e

No worries! We‘ve got your back. Try BYJU‘S free classes today!

b, c and d

No worries! We‘ve got your back. Try BYJU‘S free classes today!

b and d

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

a, d and e

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C b and d
A chemical change is a permanent change as the new substance(s) formed have a different composition than the original substance(s).

Condensation is the change of physical state of matter from gas to liquid.

Photosynthesis is a chemical change as it involves a chemical reaction. Carbon dioxide and water combine to form glucose and oxygen.

Evaporation is the change of physical state of matter from liquid to gas.

Burning is a chemical change wherein substances reacts with oxygen in the air to form new substances.

Melting is the change of physical state of matter from solid to liquid.

Suggest Corrections

Similar questions

Q. Pick out the chemical changes from the following.
I : Condensation
II : Photosynthesis
III : Evaporation
IV : Cooking
V : Melting

Classify the changes involved in the following processes as physical or chemical changes:

(a) Photosynthesis

(b) Dissolving sugar in water

(d) Melting of wax

(e) Beating aluminium to make aluminium foil

(f) Digestion of food

Q. State whether the following statements are true or false. Rewrite the false ones correctly.
(a) All irreversible changes are chemical changes.
(b) A liquid can sublime.
(c) The evaporation of water take place only at 100°C. when it is boiling.
(d) The melting of ice is a physical change.
(e) The souring of milk is a periodic change.
(f) The flowering of trees is a periodic change.
(g) Solidification and condensation are the same.
(h) The breaking of glass tumbler is a chemical change because it is irreversible.
(i) Boiling, evaporation and condensation are physical changes.

Classify the following as a physical or a chemical change :

(a) Drying of wet clothes

(b) Manufacture of salt from seawater.

(d) Boiling of water

(e) Burning of paper

(f) Melting of wax

(g) Burning of coal

Classify the following examples into physical or chemical change. [1 MARK]

1) Photosynthesis and burning of coal

2) Dissolving sugar in water and melting of wax

Join BYJU'S Learning Program

Pick out chemical changes from the following. (a) Condensation (b) Photosynthesis (c) Evaporation (d) Burning (e) Melting

Pick out chemical changes from the following.

(a) Condensation
(b) Photosynthesis
(c) Evaporation
(d) Burning
(e) Melting