A student was asked to collect apparatus from lab store, for doing experiment of pH of given sample. Identify the article which he is not supposed to pick. [CCE 2014]
A. pH paper
B. Dropper
C. Litmus paper
D. Petri dish
Answer:D
A student was asked to collect apparatus from lab store, for doing experiment of pH of given sample. Identify the article which he is not supposed to pick. [CCE 2014]
A. pH paper B. Dropper C. Litmus paper D. Petri dish