Lead pipe for supplying the drinking water are:

not safe

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quite safe

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may be safe for some countries

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nothing can be said about it

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Solution

The correct option is A not safe
Lead pipes for supplying the drinking water are not safe. The lead concentration in drinking water should be below ETA level of 15 ppm. If we will use lead pipes, it will increase the lead concentration above critical level, hence, should not be used. Use of lead pipes were banned in year 1970 due to safety purposes.

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Similar questions

Lead pipes are not suitable for drinking water because

In order to make water safe for drinking, it should be __.

Explain why, even clear, transparent and odourless water may not always be safe for drinking.

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