Question

tables and shelf of your Chemistry laboratory are covered with tiles and not with wood or metals give reason in one mark

Answer 1

as in chemistry lab we work with chemical including acids and oxidising substances which may corrode the table or shelf made of wood and metals that's why we use tiles

Answer 2

Explanation:

because in chemistry lab we work with chemical including acids which may be fallen on the table and we know that acids reacts with metal, wood etc.