CBSE Class 11-science Chemistry Effect of Heat on Matter
- why do gas cools down when it is expanded
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1st?
- The vapour density of a gas at 25 degree centigrade is 25.What will be its Vapour density at 50 degree centigrade?Explain.
- What factors are responsible for the existence of matter in three states?
- How gases can be liquefied?
- Convert 25oC into Kelvin scale.
- Convert 120 Fahrenheit into Celsius scale.
- Out of fluorine and nitrogen monoxide which one has the higher melting and boiling points? Explain.
- Which has a higher boiling point I2 or Br2?
- Which should have a lower boiling point H2O or H2S?