1.

Q3. A solution of a substance 'X' is used in 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.OR​

Answer»

Answer:

SUBSTANCE X is CALCIUM OXIDE whose solution we use in water which is used for white washing. The formula of substance X is Cao.

(ii) Calcium oxide reacts vigorously with water to produce SLAKED lime (calcium hydroxide) releasing a large amount of heat.

Ca0(s) + H2O(l) → Ca(OH)2(AQ)

(Quick Lime) (Water) (Slaked Lime)

Explanation:

X substance is CaO

(2) CaO +H2O -CaO(OH)2



Discussion

No Comment Found

Related InterviewSolutions