MEDIUM
9th ICSE
IMPORTANT
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What is the boiling point of water on the Kelvin scale?

Important Questions on Study of Gas Laws

MEDIUM
9th ICSE
IMPORTANT
S. Chand's ICSE CHEMISTRY Book -1 CLASS- 9>Chapter 8 - Study of Gas Laws>Questions>Q 12
Define STP or NTP. What are its values? Why is it necessary to compare gases at STP?
MEDIUM
9th ICSE
IMPORTANT
S. Chand's ICSE CHEMISTRY Book -1 CLASS- 9>Chapter 8 - Study of Gas Laws>Questions>Q 13
A gas collected at a pressure of 95 cm Hg and a temperature of 50oC. To what temperature should it be cooled so that it occupies a volume which is 80%of its original volume when the pressure of the gas is 90 cm Hg?
MEDIUM
9th ICSE
IMPORTANT
S. Chand's ICSE CHEMISTRY Book -1 CLASS- 9>Chapter 8 - Study of Gas Laws>Questions>Q 14
88 cm3 of nitrogen is at a pressure of 770 mm Hg. The pressure is then raised to 880 mm Hg. Find by how much the volume would diminish if the temperature remains constant?
MEDIUM
9th ICSE
IMPORTANT
S. Chand's ICSE CHEMISTRY Book -1 CLASS- 9>Chapter 8 - Study of Gas Laws>Questions>Q 15
At what temperature would 500 cm3 of gas measured at 20oC  occupy half its original volume.
MEDIUM
9th ICSE
IMPORTANT
S. Chand's ICSE CHEMISTRY Book -1 CLASS- 9>Chapter 8 - Study of Gas Laws>Questions>Q 16
A fixed volume of a gas occupies 760  cm3 at 27oC and 70 cm Hg. What will be its volume at STP?
MEDIUM
9th ICSE
IMPORTANT
S. Chand's ICSE CHEMISTRY Book -1 CLASS- 9>Chapter 8 - Study of Gas Laws>Questions>Q 17
A steel cylinder of internal volume of 20 litres is filled with hydrogen at 29 atm pressure. If the hydrogen gas is used to fill a balloon at 1.25 atm pressure at the same temperature, what volume will the gas occupy ?
MEDIUM
9th ICSE
IMPORTANT
S. Chand's ICSE CHEMISTRY Book -1 CLASS- 9>Chapter 8 - Study of Gas Laws>Questions>Q 18
A cylinder of 20 litre capacity contains a gas at 100 atm. How many flasks of 200 cm3 can be filled from it at 1 atm, provided the temperature remaining constant ?
MEDIUM
9th ICSE
IMPORTANT
S. Chand's ICSE CHEMISTRY Book -1 CLASS- 9>Chapter 8 - Study of Gas Laws>Questions>Q 19
A gas occupies 3 litres at 0oC. What volume will it occupy at -20oC the pressure remaining constant?