Question

When lead nitrate crystals are heated ___________
(1 Point)
A colourless gas is evolved and yellow residue is left behind.
A brown gas is evolved and a white residue is left behind.
A greenish yellow gas is evolved and a brown residue is left behind.
A brown gas is evolved and a yellow residue is left behind.

Answer 1

Answer:

b

Explanation:

according to me it is right......