Question

Give an experiment to show that ammonium chloride is a sublimate

Answer 1

put some ammonium chloride in a China dish and mix it with any other non sublimable substance
cover the China dish with a funnel and put some cotton in the tube of the funnel
put the China dish on a stand under a burner
and observe

Answer 2

Apparatus: China dish, ammonium chloride(5 grams), tripod stand, wire                           gauze, cotton ball, glass funnel, scraper, petridish, bunsen burner

procedure: Set the tripod stand over the Bunsen burner and place the wire gauze over it.
keep the china dish over it and some ammonium chloride in it.
invert the funnel and close it with the cotton ball.
heat it.
now scrape the sublimed product.
it is ammonium chloride only.