Question

What do you observe when iodine crystals are heated in a test tube ?

Answer 1

Explanation:

When Iodine crystals are heated, the van der waals are easily overcome and the molecule breaks into gas phase. They sublime and form a purple colored dense vapor.

20 votes

When Iodine crystals are heated, the van der waals are easily overcome and the molecule breaks ... More

20 votes

violet fumes are evolved from the test tube and there is no residue in the test tube More

Answer 2

Answer:

the vander waals forces are easily over come and the molecules break in to gas phase, they sub lime and form purple colored dense vapour

Explanation:

hopes this helps

if want next answer of it tell me

the question was

what do you observe when

iron nails are added to copper are heated strongly ?