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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ६

Magnet attracts iron needle. This is ______ change.

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प्रश्न

Magnet attracts iron needle.This is ______ change.

विकल्प

  • a reversible

  • an irreversible

MCQ
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उत्तर

Magnet attracts iron needle. This is a reversible change.

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अध्याय 3: Changes Around Us - Evaluation [पृष्ठ ३९]

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सामाचीर कलवी Science - Term 2 [English] Class 6 TN Board
अध्याय 3 Changes Around Us
Evaluation | Q II. 1. | पृष्ठ ३९

संबंधित प्रश्न

Short Answer Type Question:
What is a chemical change? Explain with example.


Chemical reactions are example for


Give examples to explain the difference between changes that can or cannot be reversed.


Changes which cannot be reversed are called ______.


Water on ______ changes to ice and on ______ comes back to water.


Can we reverse the following change? If yes, suggest the name of the method.

Ice into water


Give one example of change which occurs on heating but cannot be reversed.


Paheli mixed flour and water and

  1. made a dough,
  2. rolled the dough to make a chapati,
  3. baked the chapati on a pan,
  4. dried the chapati and ground it in a grinder to make powder.

Identify the changes (i) to (iv) as the changes that can be reversed or that cannot 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.


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


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