Question

what a colour of lead iodide and barium sulphate​

Answer 1

Answer:

Lead(II) iodide or lead iodide is a salt with the formula PbI. . At room temperature, it is a bright yellow odorless crystalline solid, that becomes orange and red when heated. It was formerly called plumbous iodide.

for barium

white

Barium sulfate appears as white or yellowish odorless powder or small crystals. Mp: 1580°C (with decomposition). Density: 4.25 -4.5 g cm-3