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Precipitation
In all the above reactions a white substance, which is insoluble in water, is formed. This insoluble substance formed is known as a precipitate. A reaction that produces a precipitate is called a precipitation reactio..
Atmosphere
A thick gaseous envelope surrounding the earth is called atmosphere. The density of air in the atmosphere varies with altitude. Atmosphere is divided into five different layers or zones: Troposphere Stratosphere Mesosphere Ionosphere Exosphe..
Atmosphere
This is a blanket of gaseous layer around the Eart..
Precipitation of Sulphides
When hydrogen sulphide is passed through aqueous solutions of metallic salts, the sulphides of the respective metals get precipitated. These sulphides have characteristic colours. ..
When hydrogen sulphide is passed through aqueous solutions of metallic salts, the sulphides of the respective metals get precipitated. These sulphides have characteristic colours. ..ELECTRONIC AND MAGNETIC PHENOMENA
Voltage or current in simple direct current electric circuits Problems involving Ohm's law Formula for power (rate of energy dissipation) in any resistive circuit element Properties of transistors and their role in electric circuits Electric fields Magnetic fields Direction of a magneti..
ELECTRONIC AND MAGNETIC PHENOMENA
Voltage or current in simple direct current electric circuits Problems involving Ohm's law Formula for power (rate of energy dissipation) in any resistive circuit element Properties of transistors and their role in electric circuits Electric fields Magnetic fields Direction of a magneti..
Atmospheric Pollutants
Atmospheric Pollutants - Many of the air pollutants are naturally present in the atmosphere in low concentration. They become pollutants when their concentration is relatively high. For example, SO 2 is considered as pollutant when its concentration in the atmosph..
Atmospheric pressure
Air is pulled towards the surface by gravity and this exerts pressure on the Earth's surface. The pressure exerted by the gases of the atmosphere on the surface of the Earth is called atmospheric pressur..
Atmospheric Pollutants
Many of the air pollutants are naturally present in the atmosphere in low concentration. They become pollutants when their concentration is relatively high. For example, SO 2 is considered as pollutant when its concentration in the atmosphere exceeds the normal limit o..
Atmospheric pressure
Lower the atmospheric pressure, higher is the rate of transpiration. Water Movement through the leaf to the atmosphere in the form of vap..
Lower the atmospheric pressure, higher is the rate of transpiration. Water Movement through the leaf to the atmosphere in the form of vap.. Result
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