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At high temperature, metallic calcium is...

At high temperature, metallic calcium is made to react with carbon and the product obtained is treated with water.

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Metallic calcium reacts with carbon at high temperature to form calcium carbide. Calcium carbide on treatment with water produces acetylene and calcium hydroxide.
`2C + Ca overset(Delta)toCaC_2`
`CaC_2 + 2H_2O to C_2H_2 uarr + Ca(OH)_2`
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