1.

Choose the reaction which may be used in metallurgical extractions :

Answer»

`CaO+P_(4)O_(10)rarr2Ca_(3)(PO_(4))_(2)`
`2Ca(OH)_(2)+2Cl_(2)rarrCaCl_(2)+Ca(Ocl)_(2)+2H_(2)O`
`CaO+SiO_(2)rarrCaSiO_(3)`
`CaCl_(2)+Na_(2)CO_(3)rarrCaCO_(3)+2NaCl`

Solution :N//A


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