¤ Barium Chloride reacts with sodium sulphate to form Barium sulphate and sodium chloride.
¤ Calcium oxide reacts with water to form calcium hydroxide.
¤ Silver bromide in presence of sunlight breaks to form silver metal and bromine gas.
¤ Ferous sulphate on heating gives feric oxide , sulphur dioxide and sulphur trioxide.
[ HINT:- FeSo4 - - - - ->Fe2O3+SO2+SO3.]
¤Barium chloride reacts with aluminum sulphate to form barium sulphate and aluminum chloride.
¤ Silver metal reacts with oxygen (O2) to form silver oxide.
¤ Water on passing electricity converts to hydrogen and oxygen gas.
¤ Calcium carbonate on heating forms calcium oxide and water.
¤ Zinc oxide on reaction with carbon forms zinc and carbon monoxide.
¤ Copper oxide on reaction with hydrogen forms copper and water.
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Answer:
CaCO3 cannot form H2O.
Explanation:
To form H2O it should be calcium bicarbonate
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