EASY
6th CBSE
IMPORTANT
Earn 100

Match the columns.

  Column A   Column B
(a) Chemical changes are  (i) Physical change
(b) Change that can be reversed (ii) Irreversible change
(c) Melting of ice (iii) Mostly irreversible
(d) Changes that cannot be reversed  (iv) Reversible change

 

Important Questions on Changes Around Us

EASY
6th CBSE
IMPORTANT
CANDID New Trends in SCIENCE 6>Chapter 6 - Changes Around Us>TEST YOUR KNOWLEDGE>Q D
Burning of coal is an irreversible change.
EASY
6th CBSE
IMPORTANT
CANDID New Trends in SCIENCE 6>Chapter 6 - Changes Around Us>TEST YOUR KNOWLEDGE>Q D
A new substance is formed in a reversible change.
EASY
6th CBSE
IMPORTANT
CANDID New Trends in SCIENCE 6>Chapter 6 - Changes Around Us>TEST YOUR KNOWLEDGE>Q D
Breaking of glass is a reversible change.
MEDIUM
6th CBSE
IMPORTANT
CANDID New Trends in SCIENCE 6>Chapter 6 - Changes Around Us>TEST YOUR KNOWLEDGE>Q D
Heating causes expansion in a substance.
EASY
6th CBSE
IMPORTANT
CANDID New Trends in SCIENCE 6>Chapter 6 - Changes Around Us>TEST YOUR KNOWLEDGE>Q E
What kind of change is cooking of food? Why?
EASY
6th CBSE
IMPORTANT
CANDID New Trends in SCIENCE 6>Chapter 6 - Changes Around Us>TEST YOUR KNOWLEDGE>Q E
You accidentally dropped your favourite glass tumbler and broke it. This is a change you did not want. Can this change be reversed?
EASY
6th CBSE
IMPORTANT
CANDID New Trends in SCIENCE 6>Chapter 6 - Changes Around Us>TEST YOUR KNOWLEDGE>Q E
A potter shapes pots out of clay. He then bakes the pots in an oven. Identify the reversible and irreversible changes taking place in this process.
EASY
6th CBSE
IMPORTANT
CANDID New Trends in SCIENCE 6>Chapter 6 - Changes Around Us>TEST YOUR KNOWLEDGE>Q E
When you boil an egg, it becomes hard and tastes different. Why?