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प्रश्न
Fill in the blank:
The sample of hard water which lathers with soap after boiling and filtration contains _____.
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उत्तर
The sample of hard water which lathers with soap after boiling and filtration contains calcium bicarbonate.
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संबंधित प्रश्न
Give reason On opening a bottle of a cold drink, a fizz sound is heard.
Give balanced chemical equation for the reaction of water with Carbon dioxide.
Give one word for the following statement:
The gaseous form of water found in air .
Identify A, B, C and D; first one is done for you.
Give a reason for the following:
A crusty ‘boiler scale’ is formed in boilers, when hard water is used.
Which are the three states of water?
Write a few slogans of your own on the topic “Save Water”
Open drain system is a breeding place for which of the following?
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)?
Look at the figure.
Write down activities shown in this figure in which water is being used.
