Advertisements
Advertisements
प्रश्न
Give a balanced equation for the following conversion:
Calcium sulphate in permanent hard water to calcium carbonate using sodium carbonate.
Advertisements
उत्तर
\[\ce{\underset{\text{Sodium carbonate}}{Na2CO3} + \underset{\text{In hard water}}{CaSO4} -> \underset{\text{Cal. carbonate}}{CaCO3↓} + \underset{\text{Sodium sulphate}}{Na2SO4}}\]
APPEARS IN
संबंधित प्रश्न
Give reason of Carbonated drinks are bottled under high pressure.
.................... is the purest form of natural water.
Give any three important uses of water.
State whether the given statement are true or false. If true, write the reason.
Ganga−Brahmaputra plain of India is an overpopulated region.
State what is potable water. Give its qualities or characteristics which make it fit for human consumption.
Select the correct answer of the following statement:
A drying agent placed in desiccator.
What is the source of water in the following?
Wells
A man travelling on a train threw an empty packet of food on the platform. Do you think this is a proper waste disposal method? Elaborate.
Fill in the blanks in the following statements using words given in the box.
| air, handpumps, cholera, water, large, ground |
A very ______ number of our people defecate in the open. It may cause ______ pollution and soil pollution. Both the surface water and ______ water get polluted. ______ water is the source for wells, tubewells and ______. Thus it becomes the most common route for ______ borne diseases like ______, dysentery, etc.
Construct a crossword puzzle of your own using the keywords.
