Use the following list of metals to answer the questions a to i: iron, calcium, potassium, gold, aluminium, magnesium, sodium, zinc, platinum, titanium.

a. Which of the metals is found native?

b. Which of the metals is found in nature as the ore:

(i) Rock salt? 

(ii) Rutile?

c. Which metal has a carbonate found in nature called chalk?

d. Which of the metals will not react with oxygen to form an oxide?

e. Which of the metals will react violently with cold water?

f. Choose one of the metals in your answer to e and write a balanced chemical equation for the reaction which takes place.

g. Which of the metals has a protective oxide coating on its surface?

h. Which of the metals reacts very slowly with cold water but extremely vigorously with steam?

i. Which of the metals is used to galvanise iron?