Respuesta :
The answer is Bleach changing the color of a pH test strips because all of the other answers are immediately observable. You can tell the weight of an object without having to do something to it. You can see color. You can, in some cases, see if something is denser.
Answer:
Option:(D)-"Bleach changing the color of a pH test strip."
- As it is the only possibly valid answer.
Explanation:
- Chemical properties:
"These properties includes the basic features of an element relating to its atomic number, electronegativity and reactions with other elements etc."
As these properties remain sort of attached to there basic molecular structure and features.
- Physical Properties:
As each physical property by definition is measured and then presented bodily to show the evidence of its presence in the given parameters.
