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Class 9 Chemistry Physical States Of Matter


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5. Define the term allotropy with examples.
5. Define the term allotropy with examples.

5.Definethetermallotropywithexamples.5. Define the term allotropy with examples.

11. The vapour pressure of a liquid increases with the:(a) increase of pressure(b) increase of temperature(c) increase of intermolecular forces(d) increase of polarity of molecules
11. The vapour pressure of a liquid increases with the:(a) increase of pressure(b) increase of temperature(c) increase of intermolecular forces(d) increase of polarity of molecules

11.Thevapourpressureofaliquidincreaseswiththe:(a)increaseofpressure(b)increaseoftemperature(c)increaseofintermolecularforces(d)increaseofpolarityofmolecules11. The vapour pressure of a liquid increases with the:(a) increase of pressure(b) increase of temperature(c) increase of intermolecular forces(d) increase of polarity of molecules

1. Convert the following units:(c) 560 torr to \mathrm{cm} \mathrm{Hg}
1. Convert the following units:(c) 560 torr to  \mathrm{cm} \mathrm{Hg}

1.Convertthefollowingunits:(c)560torrtocmHg1. Convert the following units:(c) 560 torr to \mathrm{cm} \mathrm{Hg}

A sample of neon gas occupies a volume of 75.0 \mathrm{~cm}^{3} at very low pressure of 0.4 \mathrm{~atm} . Assuming temperature remain constant what would be the volume at 1.0 \mathrm{~atm} . pressure?
A sample of neon gas occupies a volume of  75.0 \mathrm{~cm}^{3}  at very low pressure of  0.4 \mathrm{~atm} . Assuming temperature remain constant what would be the volume at  1.0 \mathrm{~atm} . pressure?

Asampleofneongasoccupiesavolumeof75.0 cm3atverylowpressureof0.4 atm.Assumingtemperatureremainconstantwhatwouldbethevolumeat1.0 atm.pressure?A sample of neon gas occupies a volume of 75.0 \mathrm{~cm}^{3} at very low pressure of 0.4 \mathrm{~atm} . Assuming temperature remain constant what would be the volume at 1.0 \mathrm{~atm} . pressure?

5. Which one of the following is not amorphous?(a) rubber(b) plastic(c) glass(d) glucose.
5. Which one of the following is not amorphous?(a) rubber(b) plastic(c) glass(d) glucose.

5.Whichoneofthefollowingisnotamorphous?(a)rubber(b)plastic(c)glass(d)glucose.5. Which one of the following is not amorphous?(a) rubber(b) plastic(c) glass(d) glucose.

1. How many times liquids are denser than gases?(a) 100 times(b) 1000 times(c) 10000 times(d) 100000 times
1. How many times liquids are denser than gases?(a) 100 times(b) 1000 times(c) 10000 times(d) 100000 times

1.Howmanytimesliquidsaredenserthangases?(a)100times(b)1000times(c)10000times(d)100000times1. How many times liquids are denser than gases?(a) 100 times(b) 1000 times(c) 10000 times(d) 100000 times

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