Welcome to your STD 8 SCIENCE..
STD 8 SCIENCE LESSON
WATERCompare the two types of water in the bottles.
SOFT WATER
Sources of soft water
1 .rain water
3.boiled water
Advantages of soft water
Disadvantages of soft water
SOFTENING HARD WATER
Softening hard water is the process of removing dissolved minerals in water.
Water softening can be achieved by boiling.
WORK TO DO
3. ---------- is a source of soft water.
6.---------------- water is good for irrigation.
7.Hard water forms ---------------- with soap.
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