Advertisements
Advertisements
Question
Explain why:
Table salts become sticky on exposure to humid air during the rainy season.
Advertisements
Solution
Table salt becomes sticky on exposure during the rainy season, because it generally contains a small percentage of magnesium chloride and calcium chloride as impurities. These impurities absorb moisture from the monsoon air due to their deliquescent nature, and thus, table salt become sticky.
APPEARS IN
RELATED QUESTIONS
Why do organisms need water?
Give balanced chemical equation for the reaction of water with Sodium oxide.
Of the total water available on the earth, fresh water forms ______ percent.
Give a balanced equation for the following conversion:
Calcium sulphate in permanent hard water to calcium carbonate using sodium carbonate.
State the meaning of the term ‘water pollution’. State how you would find out, the different sources of pollution of water bodies in the locality.
Name or state the following:
A deliquescent salt of a trivalent metal.
Look at the map of Tamilnadu showing annual rainfall and answer the questions given below
- Identify the districts that get only low annual rainfall in Tamilnadu.
- Identify the districts that get a medium annual rainfall in Tamilnadu.
- State the districts that enjoy high annual rainfall in Tamilnadu.
Nitrogen is used for the treatment of drinking water.
A mixture (x) in water contains suspended solids, organic impurities, inorganic impurities (a), nutrients (b), disease-causing bacteria and other microbes. Give names for (x), (a) and (b)?
In which of the following activities will you use minimum amount of water?
