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efflorescent substances are those substances which when exposed to atmosphere lose moisture(woc) partially or completely and changes into an amorphous powder.eg-Cuso4.5H2o when exposed to atmosphere changes into Cuso4+5H2o
Air pollutants
refers to those substances which readily absorb moisture from the atmosphere
Substances which absorb moisture from atmosphere without dissolving in it are - HYGROSCOPIC substances. They are used as "drying agents". ex: CaO, ethyl alcohol, concentrated sulphuric acid.
efflorescent substances are substances which looses moisture partly or completely to the atmosphere and changes in to amorphous powder. deliquecent substances are substances which absorb moisture from the atmosphere and turn into a saturated solution.
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oxygen
efflorescent substances are those substances which when exposed to atmosphere lose moisture(woc) partially or completely and changes into an amorphous powder.eg-Cuso4.5H2o when exposed to atmosphere changes into Cuso4+5H2o
Air pollutants
air pollution
Chemical substances such as nitrogen, oxygen, argon are a mixture that are found in the atmosphere. Carbon dioxide and water are also found depending on the climate and altitude.
It is above the atmosphere and not in any atmosphere.
Air Pollutant. (:
the atmosphere
earth's upper atmosphere.
Pluto absolutely has an atmosphere. Pluto's atmosphere is composed of 90 percent Nitrogen and 10 percent of the more complex substances such as methane.