(b) Which of the following reactions represents a combination reaction (i) CaCO > CaO + CO, (ii) Zn + CuSO, ZnSO + Cu (iii) CaO + H2O Ca(OH)2 (iv) 2Na+ H2O → 2NaOH + H.

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Adam Bronfin · Answer 1 · 2021-02-09T17:12:48+0000

Answer:

3. CaO+H2O ---> Ca(OH)2

Step-by-step explanation:

Combination reactions look like...

a + b = ab

- Hope that helps! Please let me know if you need further explanation.