Two colorless solutions are mixed together in a test tube. A student observes that a bright yellow solid collects at the bottom

Question

3 years ago

9

of the test tube. Is this is physical or chemical change? Cite evidence to support your answer.

2 answers:

OlgaM077 [116] · Answer 1 · 2022-03-05T12:07:34+03:00

8 0

Answer:

It is a chemical change

Explanation:

The chemicals are creating a new compound structure

Alchen [17] · Answer 2 · 2022-03-05T09:55:12+03:00

3 0

Answer:

It is a chemical reaction , a chemical change.

The colourless solutions can be $KI$ and $Pb(NO_3)_2$ .

When they are mixed , displacement reactiom takes place and Lead iodide is formed which is yellow in colour