Advertisements
Advertisements
Question
Explain why:
If distilled water is kept in a sealed bottle for a long time, it leaves etchings on the surface of the glass.
Advertisements
Solution
If distilled water is kept in a sealed bottle for a long time, it etches the surface of glass because substances which are apparently insoluble in water actually dissolve in minute traces in water.
APPEARS IN
RELATED QUESTIONS
What is the major source of fresh water in the city/town/village where you live?
How are natural springs of water formed ?
What do you understand by soft water?
Select the correct answer of the following statement:
A drying agent placed in desiccator.
Give a balanced equation for the following conversion:
Calcium sulphate in permanent hard water to calcium carbonate using sodium carbonate.
Name or state the following:
A deliquescent salt of a trivalent metal.
Water is colourless, odourless and _______.
Among the given options, which one is not correct for the use of large amounts of fertilisers and pesticides?
State whether the following statement is True or False. If false, write the correct statement.
Rapid growth of industries is one of the causes for water shortage
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)?
