Question

1. A substance is in light yellow colour. If we put it in sunlight, it changes into grey
colour. What is the substance ?
A) Lead iodide
B) Potassium iodide
C) Silver bromide
D) HCI​

Answer 1

Answer:

potassium iodide is the answer

Answer 2

Answer:

it's silver chloride

explanation:

When silver chloride is kept in sun, it decomposes to form chlorine gas and silver. As the reaction proceeds, the white coloured substance turns grey in colour because of the formation of silver metal.