MEDIUM
6th CBSE
IMPORTANT
Earn 100

Is burning of candle a reversible or irreversible process? 

Important Questions on Changes Around Us

MEDIUM
6th CBSE
IMPORTANT
All in One - Science>Chapter 6 - Changes Around Us>Miscellaneous Questions>Q 1
Pick the change that can be reversed from the following.
MEDIUM
6th CBSE
IMPORTANT
All in One - Science>Chapter 6 - Changes Around Us>Miscellaneous Questions>Q 2
Which of the following changes cannot be reversed? 
MEDIUM
6th CBSE
IMPORTANT
All in One - Science>Chapter 6 - Changes Around Us>Miscellaneous Questions>Q 3
An iron ring is heated. Which of the following statements about it is incorrect? 
MEDIUM
6th CBSE
IMPORTANT
All in One - Science>Chapter 6 - Changes Around Us>Miscellaneous Questions>Q 4

While lighting a candle, Paheli observed the following changes.

(i) Wax was melting

(ii) Candle was burning 

(iii) Size of the candle was reducing 

(iv) Melted wax was getting solidified

Of the above, the changes that can be reversed are:

MEDIUM
6th CBSE
IMPORTANT
All in One - Science>Chapter 6 - Changes Around Us>Miscellaneous Questions>Q 5
Salt can be separated from its solution (salt dissolved in water) because 
MEDIUM
6th CBSE
IMPORTANT
All in One - Science>Chapter 6 - Changes Around Us>Miscellaneous Questions>Q 6
Rolling of chapati and baking of chapati are the changes that 
MEDIUM
6th CBSE
IMPORTANT
All in One - Science>Chapter 6 - Changes Around Us>Miscellaneous Questions>Q 7
Iron rim is made slightly smaller than the wooden wheel. The rim is usually heated before fixing into the wooden wheel because on heating the iron rim 
MEDIUM
6th CBSE
IMPORTANT
All in One - Science>Chapter 6 - Changes Around Us>Miscellaneous Questions>Q 8
Which one of the steps while burning a candle is not reversible?