Question

a local magician was showing magic in a village street. he took egg shell and poured a solution over it. as a result, effervescences were formed . when he took a burning matchstick over it. it went off:
(a) Identify the solution poured and the substance present in egg shell.
(b) What is the reason behind effervescences ?
(c) Write its balanced chemical equation.
(d) Give the common name of the substance present

Answer 1

the solution poured was hydrochloric acid or hcl

Answer 2

HCl or hydrochloric acid