science
Grade6
Easy
Question
Gold impurities are taken out by ______.
- Cooling
- Flying
- Heating
- Pressurizing
The correct answer is: Heating
Gold impurities are taken out by heating.
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The reason for the expansion of solids is
The reason for the expansion of solids is
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All metals _______________ on heating.
All metals _______________ on heating.
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Liquids expand on ____.
Liquids expand on ____.
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All the changes in the dimensions of the solids are the results of ____________.
All the changes in the dimensions of the solids are the results of ____________.
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The temperature of a body increases due to _____.
The temperature of a body increases due to _____.
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All metals _________ on heating.
All metals _________ on heating.
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The iron box is able to soften the clothes due to ________.
The iron box is able to soften the clothes due to ________.
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Expansion is the result of increase in ________.
Expansion is the result of increase in ________.
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If the initial temperature is 50 K and the then increased to 100 K, then the change in temperature is ___________________.
If the initial temperature is 50 K and the then increased to 100 K, then the change in temperature is ___________________.
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All effects on the expansion are due to _________.
All effects on the expansion are due to _________.
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Expansion of liquid is due to ________.
Expansion of liquid is due to ________.
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Heating of iron rod makes it _________.
Heating of iron rod makes it _________.
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The temperature _______ with heat.
The temperature _______ with heat.
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The length of rod is 4 m. When subjected to heat, it expands to 10 m with a change in temperature of 6°C. Find the coefficient of expansions.
The length of rod is 4 m. When subjected to heat, it expands to 10 m with a change in temperature of 6°C. Find the coefficient of expansions.
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Change in _____ is required for expansion.
Change in _____ is required for expansion.
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