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Class 9Class 10First YearSecond Year

Math

Physics

Chemistry

01Fundamentals Of Chemistry

672 Doubt Solutions

02Structure Of Atoms

1344 Doubt Solutions

03Periodic Table And periodicity Of Properties

2016 Doubt Solutions

04Structure Of Molecules

2688 Doubt Solutions

05Physical States Of Matter

3360 Doubt Solutions

06Solutions

4032 Doubt Solutions

07Electrochemistry

4704 Doubt Solutions

08Chemical Reactivity

5376 Doubt Solutions

It is desired to increase the volume of a fixed amount of gas from 87.5 to 118 \mathrm{~cm}^{3} while holding the pressure constant. What would be the final temperature if the initial temperature is 23^{\circ} \mathrm{C} .

$5. Define the term allotropy with examples.$

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

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

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

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

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

Class 9 Chemistry Physical States Of Matter