Which of the following pairs of aqueous solutions would not produce a reaction when mixed? Select one: a. NaNO3 and CuCl2 b. Ba(OH)2 and HNO3 c. CaCl2 and Na3PO4 d. AgNO3 and HCl

a. NaNO3 and CuCl2

Explanation:

The other 3 react as follows:

Ba(OH)2 and HNO3 ---> BaNO3 + H2O

CaCl2  + Na3PO4 --->  CaPO4 + NaCl

AgNO3 + HCl --->  AgCl +  HNO3

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?

i think that the answer is c