Advertisements
Advertisements
Question
Describe simple experiments to prove that gases occupy space.
Solution
occupy space
Experiment:
‘A’ – A glass beaker or bowl is half-filled with water.
‘B’ – An empty glass tumbler [which of course contains air] is inverted a lowered inside it.
‘C’ – On tilting the tumbler, the air is displaced and bubbles are seen coming out.
Conclusion: Air or gases occupy space.
RELATED QUESTIONS
Give one example of the diffusion of a solid in another solid.
Explain why, the diffusion of a solid in another solid is a very slow process.
How do solids, liquids and gases differ in shape and volume?
Give reasons
Liquids have definite volume but no definite shape
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles move about very quickly but do not leave the surface
Explain the term ‘Interconversion of matter’. With reference to ice, water, and water vapour show diagrammatically the change of state of matter from solid to liquid to gaseous and back to the original state.
Complete the statement given below by selecting the correct word.
Solids and liquids have a definite ____ but gases do not.
State the property of the following substance.
Chlorine gas has a – strong irritating odor.
State the property of the following substance.
Manganese dioxide, a catalyst which alters the rate of a chemical reaction is black in colour.
Choose the odd one:
