Allied solutions

Allied solutions

Grade 7

Physical and Chemical Changes | Objective Type Questions

Question 1

Q1) Fill in the blanks with the appropriate words for each of the statements given below:

  1. Germination of seeds is considered a _____ reaction.
  2. If a change is permanent & irreversible it is considered a_ change.
  3. Heating a piece of iron is considered a _____ change while heating a piece of coal (carbon) is considered a _____ change.
  4. Chemical changes may involve the exchange of energy in the form of ____ and ____
  5. Change of milk od curd is a _______ change.

Solution:

  1. Chemical
  2. Chemical
  3. Physical
  4. Light and heat
  5. Desirable

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subject-cta

Question 1

Q1) Fill in the blanks with the appropriate words for each of the statements given below:

  1. Germination of seeds is considered a _____ reaction.
  2. If a change is permanent & irreversible it is considered a_ change.
  3. Heating a piece of iron is considered a _____ change while heating a piece of coal (carbon) is considered a _____ change.
  4. Chemical changes may involve the exchange of energy in the form of ____ and ____
  5. Change of milk od curd is a _______ change.

Solution:

  1. Chemical
  2. Chemical
  3. Physical
  4. Light and heat
  5. Desirable

Still have questions? Our expert teachers can help you out

Book a free class now

Want to top your chemistry exam ?

Learn from an expert tutor.

Book a free class now
subject-cta
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