A solution of a substance 'X' is used for white washing.
(i) Name the substance 'X' and write its formula
(ii) Write the reaction of the substance 'X' named in (i) above with water.

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Solution

Solution:-
(i) The name of the substance used for whitewashing is calcium oxide and its formula is $C a O$ .

(ii) It's reaction with water is-
$C a O + H_{2} O water ⟶ C a {(O H)}_{2} + h e a t$

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

(i) Name the substance ‘X’ and write its formula.

(ii) Write the reaction of the substance ‘X’ named in (i) above with water.

A solution of a substance 'X' is used for white washing.
1. Name the substance 'X' and write its formula.
2. Write the reaction of the substance 'X' named in (i) above with water.[2 MARKS]

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

Q. A solution of a substance 'X' is used for white washing.

Write the reaction of the substance 'X' named in given with water.

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.

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A solution of a substance 'X' is used for white washing.(i) Name the substance 'X' and write its formula(ii) Write the reaction of the substance 'X' named in (i) above with water.

Solution:-(i) The name of the substance used for whitewashing is calcium oxide and its formula is CaO.(ii) It's reaction with water is-CaO+H2Owater⟶Ca(OH)2+heat

A solution of a substance 'X' is used for white washing.
(i) Name the substance 'X' and write its formula
(ii) Write the reaction of the substance 'X' named in (i) above with water.

Solution:-
(i) The name of the substance used for whitewashing is calcium oxide and its formula is $C a O$ .

(ii) It's reaction with water is-
$C a O + H_{2} O water ⟶ C a {(O H)}_{2} + h e a t$