Question

when water is added to while solid X a hissing sound is produced and a lot of heat is released forming a product y a suspension of y is used for white washing a clear solution y is Used for testing co2 identify x and y write the equation evolved​

Answer 1

Answer:

(a) The white solid X is quick lime. Its chemical formula is CaO.

(b) When water is added to the white solid X, product Y formed is calcium hydroxide. Its chemical formula is Ca(OH)2.