classify the following changes as physical and chemical changes a) deflating of a cycle tyre tube b) glowing of iron placed in a fire c) baking of bread d) digestion of food e) turning a key to open a lock f) burning of candle right the correct answer and i will mark you the brainliest and follow you
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4
Answer:
chemical changes
deflating of a cycle tyre tube
baking of bread
burning of candle
chemical changes
glowing of iron placed in a fire
digestion of food
turning a key to open a lock
Answered by
6
Answer:
a) Physical
b) Physical ( no change is there in its chemical composition it's just glowing because of high temperature)
c) Physical ( Burning is a chemical change but Baking and Heating are physical changes)
d) Chemical
e) Physical
f) Both Chemical and Physical ( candle is melting and at the same time it is getting burned as well)
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