This quiz consists of 10 questions.
Each question offers 4 suggested answers. Choose the answer you consider to be the best.
The maximum mark for this quiz is 10.
Answer ALL the questions.
You have 20 minutes to attempt all the questions. You may use the Periodic Table from the back of your book.
When the equation below is balanced for 1 mol of , what is the coefficient for ?
Calcium carbonate decomposes on heating as shown below.
When 50 g of calcium carbonate are decomposed, 7 g of calcium oxide are formed. What is the percentage yield of calcium oxide?
5 of carbon monoxide, CO(g), and 2 of oxygen, (g), at the same temperature and pressure are mixed together. Assuming complete reaction according to the equation given, what is the maximum volume of carbon dioxide, (g), in , that can be formed?
A gas sample occupies a volume at a pressure and a Kelvin temperature . What would be the temperature of the gas, , if both its pressure and volume are doubled?