Question

When an egg shell is reacted with dilute hydrochloric acid, foaming is observed and an effer-

vescent gas is produced. Once foaming subsides, a lighted agarbatti is extinguished on plac-

ing it inside test tube. Explain the following in the given activity:

(a) Procedure or steps followed in the activity

(b) Draw the picture of the experimental set-up

(c) Write the balanced chemical equation of the reaction taking place

Answer 1

hcl + caCO3=cacl+h2o+co2