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Combination Reaction

Question 1.2A...

Question

Question 1.2

A solution of a substance ‘X’ is used for white washing.

Write the reaction of the substance ‘X’ named above with water.

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Solution

The substance 'X' is calcium oxide (quick lime). It reacts vigorously with water to form calcium hydroxide (slaked lime). The reaction occurs as follows:

$CaO(s) + H_{2} O(l) \to {Ca(OH)}_{2} (aq)$

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Q. Question 1.2

A solution of a substance ‘X’ is used for white washing.

Write the reaction of the substance ‘X’ named above with water.

Q. Question 1.1
A solution of a substance ‘X’ is used for white washing.
(i) Name the substance ‘X’ and write its formula.

State whether the given statement is true or false:

A solution of a substance

X

is used for white washing. The reaction of the substance

X

is with water is:

C a O (s) C a l c i u m o x i d e + H_{2} O (l) W a t e r \to C a (O H)_{2} (a q) C a l c i u m h y d r o x i d e

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