Advertisements
Advertisements
प्रश्न
When a gas jar full of air is placed upside down on a gas jar full of bromine vapours, the red-brown vapours of bromine from the lower jar go upward into the jar containing air. In this experiment :
पर्याय
air is heavier than bromine
both air and bromine have the same density
bromine is heavier than air
bromine cannot be heavier than air because it is going upwards against gravity
Advertisements
उत्तर
Bromine is heavier than air
APPEARS IN
संबंधित प्रश्न
Arrange the following substances in increasing order of forces of attraction between particles -
water, sugar, oxygen
Which of the two diffuses faster : a liquid or a gas?
State whether the following statement is true or false :
Red-brown bromine vapour diffuse into air in a gas jar but the colourless air molecules do not diffuse into bromine vapour.
Which of the following diffuses fastest and which the slowest?
Solid, Liquid, Gas Give reasons for your answer.
Explain why, diffusion occurs more quickly in a gas than in a liquid.
Why do gases diffuse very fast?
Why does a gas fill a vessel completely?
When a gas jar containing colourless air is kept upside down over a gas jar full of brown-coloured bromine vapour, then after some time, the brown colour of bromine vapour spreads into the upper gas jar making both the gas jars appear brown in colour. Which of the following conclusion obtained from these observations is incorrect?
______ is not affected by gravity.
Two gases A and B having molecular weights 60 and 45 respectively are enclosed in a vessel. The wt. of A is 0.50 g and that of B is 0.2 g. The total pressure of the mixture is 750 mm. The partial pressure of the gases B is ______ mm Hg.
