A certain metal is present in the soil, plants, bones, egg shelts, sea shells and coral. It is also used to remove oxygen from molten steel and its hydroxide is used to detect `Co_2`. The metal isA. MgB. AlC. CaD. Na

A certain metal is present in the soil, plants, bones, egg shelts, sea

1.	A certain metal is present in the soil, plants, bones, egg shelts, sea shells and coral. It is also used to remove oxygen from molten steel and its hydroxide is used to detect `Co_2`. The metal isA. MgB. AlC. CaD. Na
Answer» Correct Answer - C Calcium is present in soil, plants, bones, egg, shell, sea shell, coral etc. It is used to remove `O_2` from molten steel. `Ca(OH)_2` as lime water is used to detect `CO_2`.

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A certain metal is present in the soil, plants, bones, egg shelts, sea shells and coral. It is also used to remove oxygen from molten steel and its hydroxide is used to detect `Co_2`. The metal isA. MgB. AlC. CaD. Na

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