4. Describe what will you observe and write fully balanced equations when the following are introduced in a jar of oxygen.
(a) Red hot coal
Two Jars A and B contain equal volume of Hydrogen gas and chlorine gas are kept in dark room. Jar A is placed in diffused sunlight, whereas jar B is placed in direct sunlight. Describe all what you will observe.
What is observed when hot concentrated caustic soda solution is added to (a) Zinc and (b) Aluminium oxide ? Write balanced equations.
Describe what will you observe and write fully balanced equations when the following are introduced in a jar of oxygen.
Burning sulphur
(c) Burning sodium