Q.

Calcium oxide and water react together to create a single product, which is _________. 

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a

Calcium carbonate

b

Calcium hydroxide

c

Calcium chromate

d

Calcium carboxide

answer is B.

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Detailed Solution

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  • Calcium hydroxide is the result of the interaction between calcium oxide and water. 
  • Lime or Calcium oxide (CaO) combines with water to form slaked lime Ca(OH)2(aq). Hence, two substances are combined to form a single substance, therefore it is a combination reaction
  • A combination reaction is one in which two or more reactants combine to create a single result.
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Calcium oxide and water react together to create a single product, which is _________.