In spite of boiling, the drinking water was declared unsafe. What coul

1.	In spite of boiling, the drinking water was declared unsafe. What could be the four possible reasons for this ?
Answer» Four possible reasons for drinking water being declared unsafe in spite of boiling are as follows 1. The boiling was done for less than the minimum 10 minutes required. 2. The container used for boiling the water was dirty. 3. The water had not been strained before boiling, so that some suspended matter remained in it. 4. It may still contain pesticides, insecticides and herbicides, as these are not eliminated by boiling.

In spite of boiling, the drinking water was declared unsafe. What could be the four possible reasons for this ?

Answer»

Four possible reasons for drinking water being declared unsafe in spite of boiling are as follows

1. The boiling was done for less than the minimum 10 minutes required.

2. The container used for boiling the water was dirty.

3. The water had not been strained before boiling, so that some suspended matter remained in it.

4. It may still contain pesticides, insecticides and herbicides, as these are not eliminated by boiling.

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In spite of boiling, the drinking water was declared unsafe. What could be the four possible reasons for this ?

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