Lemon juice has a pH of about 2.3 which means it is considered to be in the
range.
a. acidic
b. basic

What are the similarities of physical and chemical change ?

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.

In a copper wire, a temperature increase is the result of which of the following