Answer the following questions : (a) Name the two gases which are supplied in compressed form in homes and hospitals.
(b) What is dry ice ?

Explanation

(a) For answer, consult Q.7 (N.C.E.R.T. End Exercise).
(b) LPG (Liquid Petroleum Gas) is supplied in homes while liquefied oxygen in hospitals
(c ) Solid carbon dioxide `(CO_(2))` is known as dry ice. It is so named as it does not wet a piece of paper or cloth.