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A gas has neither a definite volume nor a definite shape. Describe the molecular model to explain it.
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Fill in the blank:
1 metric tonne = .............
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Distinguish between the three states of matter—solid, liquid, and gas on the basis of their molecular models
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Select the correct alternative:
The symbol of degree celsius is
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Distinguish between solids, liquids, and gases on the basis of their following properties :
(a) compressibility
(b) fluidity
(c) rigidity
(d) expansion on heating
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Select the correct alternative:
lO mm is equal to
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Describe the molecular model for a liquid. I-low does it explain that a liquid has no definite shape, but has a definite Volume?
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Select the correct alternative:
A metre ruler is graduated in:
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What do you mean by the change of state of matter?
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What is measurement? How is a measurement expressed?
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Explain the change of a solid into a liquid at a constant temperature.
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Explain the change of a liquid into a gas at a constant temperature.
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State two characteristics of a unit.
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Name four basic measurements in our daily life.
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Define one metre, the S.I. unit of length. State it's one multiple and one submultiple.
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Convert the following quantity as indicated :
12 inch = ft
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Convert the following quantity as indicated:
1 ft = cm
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Convert the following quantity as indicated:
20 cm = m
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Convert the following quantity as indicated:
4.2 m = cm
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Classify the following into solids, liquids, and gases. Oxygen, milk, common salt, wax, stone, water vapour, carbon-dioxide, sugar, mercury, coal, blood, butter, copper, coconut oil, kerosene.
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