Question

Why are glass slides placed over dry cobaltchloride?

Answer 1

Hey!!!
Glass slides are placed over dry cobalt chloride to keep the strips of cobalt chloride paper at their places.

Hope this helps u

Answer 2

hloo frnd and your answer is as follows.....

A glass slide is placed over the dry cobalt chloride paper to hold the paper, i.e.  to keep the strips of cobalt chloride paper at their places.

hope it may helps u..☺☺