science
Grade-3
Easy
Question
Which one of the following statements are not correct?
- Matter is anything that has mass and space.
- Physical change is when no change in color, shape and size happen.
- When new substance is formed, we call it physical change.
- When no new substance is formed, we call it physical change.
Hint:
When no new substance is formed, we call it physical change.
The correct answer is: When new substance is formed, we call it physical change.
The statement " when new substance is formed, we call it physical change" is incorrect as when new substance is formed, we call it chemical change.
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Arrange all the examples of chemical change.
1. Burning
2. Curdling
3. Melting
4. Cooking
5. Chopping
6. Baking
Arrange all the examples of chemical change.
1. Burning
2. Curdling
3. Melting
4. Cooking
5. Chopping
6. Baking
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Which of the following is the correct statement?
Which of the following is the correct statement?
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Pick the odd one out:
Pick the odd one out:
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What type of matter is shown in the image:
What type of matter is shown in the image:
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The change in which a substance’s shape and size alters is known as:
The change in which a substance’s shape and size alters is known as:
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Match the following
Match the following
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Which one of the following is not an example of chemical change?
Which one of the following is not an example of chemical change?
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Boiling of water is one of the examples of chemical change.
Physical change is a change in physical appearance only.
Boiling of water is one of the examples of chemical change.
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Physical change is a change in physical appearance only.
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Pick the odd one out:
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What type of change does the image given below define?
What type of change does the image given below define?
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When a substance undergoes a change in color, shape, and size it is known as:
When a substance undergoes a change in color, shape, and size it is known as:
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Which one of the following is an example of chemical change?
The melting of wax is a physical change but the burning of thread in the candle is a chemical change.
Which one of the following is an example of chemical change?
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The melting of wax is a physical change but the burning of thread in the candle is a chemical change.
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When a new substance is formed, we call that change as_________.
Chemical change is irreversible.
When a new substance is formed, we call that change as_________.
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Chemical change is irreversible.
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What does the image define?
What does the image define?
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