Science, asked by manvirrandhawa2007, 2 months ago

wich of the following are chemical changes?
1. growth of plants
2.Rusting of iron
3.cooking of food
4.Digestion of food
5.Burning of candle

Answers

Answered by Anonymous

Answer:

If the chemical composition is changing, then it is a chemical change, and if the chemical composition is remaining the same, then it is a physical change.

Growth of a plant, rusting of iron, cooking of food, digestion of food, and burning the candle are chemical changes because here is the chemical composition of the substance changes.

Answered by mallikmail2me

Answer:

2 rusting of iron

Explanation:

nuvuvonomm9m98v

Previous Question

Next Question

Similar questions

Physics, 1 month ago

80. The center of the thin convex lens with radius of curvature of 10 cm on either surfaces is used to image an object place at 2.5 cm from its center (refractive index of the lens material is 1.5). The image of object is A. A real, inverted magnified image formed at 6.6 cm on the opposite side of the lens. B. A virtual, inverted and diminished image formed at 3.3 cm on the opposite side of the...

Biology, 1 month ago

State 'True' or 'False' :- (a) Spine-tailed swift is the second fastest animal species on Earth. [ ] (b) The Titan beetle is one of the largest beetle species. [ ] (c) Atlas moth is also known as cobra moths. [ ] (d) Jallianwala Bagh massacre took place in 1919. [ ] (e) Echidna are primitive egg laying mammals. [ ] (f) Coffee beans are not beans. [ ] please tell answer fast...