0 votes
199 views
in Chemical Reactions and Equations by (98.9k points)
edited
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.

1 Answer

0 votes
by (98.9k points)
selected by
 
Best answer

(i) The substance 'X' is calcium oxide. Its chemical formula is CaO.


(ii) Calcium oxide reacts vigorously with water to form calcium hydroxide (slaked lime).
CaO (s)  + H2O (l) → Ca(OH)2 (aq)
Calcium Oxide (Quick Lime) + Water → Calcium Hydroxide (Slaked Lime)

Related questions

0 votes
1 answer 177 views
0 votes
1 answer 241 views

Doubtly is an online community for engineering students, offering:

  • Free viva questions PDFs
  • Previous year question papers (PYQs)
  • Academic doubt solutions
  • Expert-guided solutions

Get the pro version for free by logging in!

5.7k questions

5.1k answers

108 comments

554 users

...