Advertisements
Advertisements
Question
Fill in the blank:
The sample of hard water which lathers with soap after boiling and filtration contains _____.
Advertisements
Solution
The sample of hard water which lathers with soap after boiling and filtration contains calcium bicarbonate.
APPEARS IN
RELATED QUESTIONS
Give the molecular formula of water ?
Explain how the peculiar variation of density of water with temperature can protect marine-life.
How is rain produced?
Explain why:
Air dissolved in water contains a higher proportion of oxygen.
Give a balanced equation for the following conversion:
Magnesium bicarbonate in temporary hard water to magnesium carbonate by boiling.
What is meant by the term ‘oil spill’?
Select the correct word from the words in option to complete the sentence:
Dissolved air in water contains a ____ percentage of oxygen than ordinary air.
On which of the following day is World Water Day observed?
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
Write any two activities which require less than one bucket of water.
