English
Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 6

Burning of match stick is a reversible change.

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Question

Burning of match stick is a reversible change.

Options

  • True

  • False

MCQ
True or False
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Solution

Burning of match stick is a reversible change- False.

Correct statement

Burning of match stick is an irreversible change.

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Chapter 3: Changes Around Us - Evaluation [Page 39]

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Samacheer Kalvi Science - Term 2 [English] Class 6 TN Board
Chapter 3 Changes Around Us
Evaluation | Q III. 2. | Page 39

RELATED QUESTIONS

Very Short Answer Type Question:
Some common changes are given in the below Table. Which of these changes do you think can be reversed?

Change Can be reversed
(i) Raw egg to boiled egg Yes/No
(ii) Batter to idli  
(iii) Wet clothes to dirty clothes  
(iv) Woollen yarn to knitted sweater  
(v) Grain to its flour  
(vi) Cold milk to hot milk  
(vii) straight string to a cold string  
(viii) Bud to flower  
(ix) Milk to paneer  
(x) Cow dung to biogas  
(xi) stretched rubber band to its normal size  
(xii) Melting of ice-cream  

Differentiate reversible and irreversible reactions.


Pick the change that can be reversed from the following.


A piece of iron is heated till it becomes red-hot. it then becomes soft and is beaten to a desired shape. What kind of changes are observed in this process-reversible or irreversible?


Give one example of change occurs on mixing two substances, but can be reversed.


lt was Paheli’s birthday, her brother Simba was helping her to decorate the house for the birthday party and their parents were also busy making other arrangements. Following were the activities going on at Paheli’s home:

  1. Simba blew balloons and put them on the wall.
  2. Some of the balloons got burst.
  3. Paheli cut colourful strips of paper and put them on the wall with the help of tape.
  4. She also made some flowers by origami (paper folding) to decorate the house.
  5. Her father made dough balls.
    Mother rolled the dough balls to make puries.
  6. Mother heated oil in a pan.
  7. Father fried the puries in hot oil.

Identify the activities at Paheli’s home as those that can be reversed and those which cannot be reversed.


Circle the odd one out. Give a reason for your choice.


Choose the odd one out. Give reason for your choice.


Choose the odd one out. Give reason for your choice.


Find the odd one out. Give reason for your choice.


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