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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
Cleaning of water is a process of removing ______.
Name the gas produced when steam is passed over hot coke.
Two gases found dissolved in natural water are
Answer in your own words.
Why is there a shortage of water even though it occupies about 71% of the earth’s surface?
Complete the statement by filling the blank with the correct word from the option.
Solubility of most solids ___ with rise in temperature.
Name one substance which is ‘deliquescent’.
Which of the following does not show water shortage?
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Wells
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Animals
Why should we not throw used tea leaves into sink?
