60 points! would it be a chemical reaction if there was a chemical and the same chemical was in another aqueous solution? for example, would zinc react with znso4? (zinc sulfate) i did a lab on this and i did get a bubbling reaction, but bubbling means chemical reaction. and explain.

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

How can the periodic table be used to predict the behavior of elements?

Did the detergents containing enzymes work better at removing stains than those containing no enzyme? why or why not?