Skip to content
MCQtimes.com
GK
Pakistan Studies
Current Affairs
Islamic Studies
English
MCQtimes.com
Toggle Menu
Reversible and Irreversible Changes
Home
/
General Science
/
General Science for Class 6
/
Reversible and Irreversible Changes
- Page 3
Show/Hide Answers
Reversible and Irreversible Changes
When a material is burnt it forms new material by using gas from atmosphere called
oxygen
nitrogen
carbonmono oxide
carbon dioxide
Author:
rikazzz
Comment
Reversible and Irreversible Changes
When a fruit salt is mixed with water we observe
bubbles of gas
no visible change
salty taste
blue color
Author:
rikazzz
Comment
Reversible and Irreversible Changes
Serious damages, injuries and even deaths are caused by
fire
oil
gas
carbon
Author:
rikazzz
Comment
Reversible and Irreversible Changes
The change which can go back to its original shape is called
reversible
irreversible
same
constant
Author:
rikazzz
Comment
Reversible and Irreversible Changes
Liquid water evaporate or boil to turn into water vapor and steam by gaining
water
heat
pressure
density
Author:
rikazzz
Comment
Reversible and Irreversible Changes
Salt can be separated from water in a salty solution by
heating
filtering
sieve
leaving at room temperature
Author:
rikazzz
Comment
Reversible and Irreversible Changes
Oil and gas catch fire
easily
slowly
not at all
extinguisher
Author:
rikazzz
Comment
Reversible and Irreversible Changes
To fry or boil an egg we need
pan
heat
water
match stick
Author:
rikazzz
Comment
Reversible and Irreversible Changes
In case of chocolate the heating lead to changes which are
reversible
irreversible
same
constant
Author:
rikazzz
Comment
Reversible and Irreversible Changes
Changes in matter can be observed upon
separating
filtering
mixing
heating
Author:
rikazzz
Comment
Page navigation
Previous Page
Previous
1
2
3
4
Next Page
Next
Go to Page
Light
Dark
GK
Pakistan Studies
Current Affairs
Islamic Studies
English