17. Don yang bertele-tele biasanya di ucapkan oleh orang seper A. orang munafik
B Orang mengerti
C. Orang samaria
D. Orang yahadi

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

Which of the following subject areas contains questions that can be answered by science? alchemy ethics forensics politics

Equal volumes of h2 and o2 are placed in a balloon and then ignited. assuming that the reaction goes to completion, which gas will remain in excess? 2h2 + o2 → 2h2o a. both are in equal proportion b. oxygen c. water d. hydrogen