Experimental Techniques in Chemistry

The process of changing a solid directly into gas upon heating is known as

Difficulty: Easy

A:

Liquefaction

B:

Sublimation

C:

Condensation

D:

None of these

Filtration process can be very time consuming if it is not aided by a gentle suction which is developed

Difficulty: Easy

A:

If the paper covers the funnel up to its circumference

B:

If the paper has got small sized pores in it

C:

If the stem of the funnel is large so that it dips into the filtrate

D:

If the paper fits tightly all around the upper circumference of the funnel