Chemistry
Choose the correct answer from the options A, B, C and D given :
The drying agent used to dry HCl gas is :
A : Conc. H2SO4
B : ZnO
C : Al2O3
D : CaO
Related Questions
For the preparation of hydrochloric acid in the laboratory —
(i) State why direct absorption of hydrogen chloride gas in water is not feasible.
(ii) State what arrangement is used to dissolve hydrogen chloride gas in water.
Fill in the blanks with the choices given in the bracket:
When sodium chloride is heated with concentrated sulphuric acid below 200°C, one of the products formed is …………… [sodium hydrogen sulphate / sodium sulphate / chlorine]
State one observation for the following:
A small piece of zinc is added to dilute hydrochloric acid.
Write a balanced chemical equation for - The laboratory preparation of hydrogen chloride gas.