10 points
true or false: chemical properties are not readily identifiable, but are observable
only during a chemical reaction.
true
or
false

The given statement is true.

The properties exhibited by the matters are classified as physical property and chemical property. The former describes about physical characteristic of the substance that visible such as solubility, color, viscosity, etc., whereas the latter describes those which are not observable without a chemical reaction and it includes properties such as:

In order to study about the chemical properties of the substance they must be exposed to chemical reaction as they cannot be readily seen.

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .