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CBSE Notes 2011-2012 » XI-Chemistry

States of Matter : Gases and Liquids

Why is air denser at lower level than at higher altitudes ?

Short answer question

Why is air denser at lower level than at higher altitudes ?

Why is moist air lighter than dry air ?

Short answer question

Why is moist air lighter than dry air ?

Which property of liquid is responsible for spherical shape of liquid drops ?

Short answer question

Which property of liquid is responsible for spherical shape of liquid drops ?

What is the effect of temperature on viscosity and why ?

Short answer question

What is the effect of temperature on viscosity and why ?

What is the effect of pressure on (i) viscosity, (ii) surface tension, (iii) density of liquid ?

Short answer question

What is the effect of pressure on (i) viscosity, (ii) surface tension, (iii) density of liquid ?

What is boiling point of water at (i) higher altitudes, (ii) in pressure cooker ?

Short answer question

What is boiling point of water at (i) higher altitudes, (ii) in pressure cooker ?

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