Write word and chemical equations for the following: a) Sodium reacts with chlorine to form sodium chloride
b) Carbon burns with oxygen to form carbondioxide
c) Iron reacts with sulphur to form iron sulphide
d) Calcium carbonate decomposes to form calcium oxide
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2Na + Cl2 --> 2 NaCl

C + O2 → CO2.

Fe + S → FeS (heat)

CaCO3(s)→CaO(s)+CO2(g)

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ITS RASPUTIN002

hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?