IS_Section Quiz_13.4_e

The Bronze Age came earlier than The Copper Age.

• True

• False

Most metals are found in the form of elements in metal ores.

• True

• False

(E) Gold can be extracted from its ores using physical methods.

• True

• False

Overhead cables are usually made of aluminium.

• True

• False

Bronze is much stronger than iron.

• True

• False

Platinum is found in the form of element in its ores.

• True

• False

(E) Metals found in the form of compounds are extracted from their ores by physical methods.

• True

• False

Lead is used for making fishing sinkers because it is much denser than water.

• True

• False

Which of the following statements about iron is INCORRECT?

• A. It is the most widely used metal today.

• B. It is abundant on Earth.

• C. It is stronger than bronze.

• D. It is found in the form of element in its ores.

Different metals were discovered at different times. Which of the following correctly arranges the metal in chronological order (按時間順序) according to their years of discovery?

• A. Gold, iron, magnesium, copper

• B. Gold, iron, copper, magnesium

• C. Gold, copper, iron, magnesium

• D. Gold, copper, magnesium, iron