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7th CBSE
IMPORTANT
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Formation of clouds is a change.

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Important Questions on WorkSheet-6

EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 30 - WorkSheet-6>WorkSheet-6>Q A
Growth of a tree is a _____ change. (reversible / chemical)
EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 30 - WorkSheet-6>WorkSheet-6>Q B
Chemical change is also known as chemical reaction.
EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 30 - WorkSheet-6>WorkSheet-6>Q B
Growth in some organisms is a reversible change.
EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 30 - WorkSheet-6>WorkSheet-6>Q B
Burning of anything is an irreversible change.
EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 30 - WorkSheet-6>WorkSheet-6>Q C
Which of the following is an example of physical change?
EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 30 - WorkSheet-6>WorkSheet-6>Q C
Crystallisation is applied while making which of the following?
EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 30 - WorkSheet-6>WorkSheet-6>Q D
What is the name of brown layer which is formed over iron ?
EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 30 - WorkSheet-6>WorkSheet-6>Q D
Write the chemical formula of magnesium oxide.