Chemistry Practice Questions (Continued)
Chemistry Practice Questions 1. In which of the following mixtures will there be reaction? A) Silver metal with calcium nitrate solution B) Magnesium with copper(II) nitrate Write the balanced equation for any reaction that occurs. What observations are expected for A) and B)? 2. Bronze is a mixture of copper and tin metals. Draw a labeled diagram to show the arrangement of atoms in bronze. 3(a) Nitrogen monoxide, NO, is an atmospheric pollutant. One source of nitrogen monoxide is from the gases from car engines. Explain how nitrogen monoxide is formed in a car engine and indicate how its emission can be limited. Formation : Limiting its formation : (b) Nitrogen monoxide can react with oxygen to form nitrogen dioxide. Write a balanced equation for the reaction. (c) Why is nitrogen dioxide an atmospheric poll...