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Give one example each of a liquid and a solid non-metal. Write blanced chemical equations for the
(i) reaction of a non-metal with oxygen.
(ii) reaction of a non-metal oxide with water.
(iii) reaction of a non-metal oxide with a base.



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Liquid non-metal- Bromine (Atomic number- 35)
Solid non- metal- Phosphorus (Atomic number- 15)
(1) S + O2 -------> SO2 ( sulphur dioxide) -acidic nature
(2) CO2 (g) + H2O(l) ---> H2CO3 (aq) - acidic solution
(3)Ca(OH)2 +CO2 -------> CaCO3 + H2O
0 0 0
Liquid non-metal > Bromine
Solid non-metal > Phosphorus
(i) Mg + O2 => 2MgO
(ii)Na2O + H2O =>2NaOH
(iii) Ca(OH)2 + CO2 => CaCO3 + H2O
0 0 0
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