Question

8. The presence of which of the following in water is not considered to be dangerous
(A) Copper (B) Calcium (C) Zinc
(D) Lead
I​

Answer 1

Answer:

answer is a copper....................

Answer 2

The correct answer is Option (B) Calcium is not considered dangerous in water, and in fact, it is a necessary mineral for human health.

• Calcium is commonly found in tap water and is an important mineral for the development and maintenance of bones and teeth.

• 'Copper' is not considered safe as high levels of copper can in water can cause gastrointestinal problems. Prolonged exposure to high levels of it can cause liver or kidney damage.
• 'Zinc' in water is unsafe as the greater amount can cause stomach cramps, nausea, and vomiting. Over exposure can cause anemia, changes in cholesterol levels, and immune system dysfunction.
• 'Lead' is a toxic metal that can cause severe health problems, especially in children. It can cause developmental problems in newborns.

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