can someone help, please ??
Chemistry
19. In the chemical equation Zn + 2HCL → ZnCl2
+ H2
, the reactants are
A. zinc and hydrogen carbonate.
End of exam
B. zinc and hydrochloric acid.
C. zinc chloride and hydrogen.
D. zinc chlorate and water.
20. Based upon the pH scale, a vegetable with a pH of 5.3 would be
A. acidic.
B. ionic.
C. neutral.
D. basic.
