Chemical Change

Question 1

How do you test how a metal reacts to oxygen?

Answer 1

Place it over a flame creating a process known as oxygenation.

Question 2

How did copper react with oxygen?

Answer 2

The metal changes to black/grey/silver. The flame didn’t change colour.

Question 3

How did magnesium react with oxygen?

Answer 3

The metal went white and produced a bright white light. It sometimes becomes a white powder.

Question 4

How did Iron wool react with oxygen?

Answer 4

The flame went orange. The metal went dark grey/black. The metal sparks.

Question 5

How did aluminium react with oxygen?

Answer 5

The metal goes dull and the flame orange.

Question 6

How did zinc react with oxygen?

Answer 6

It went dull and melted. Malleable.

Question 7

Which metal is the most reactive?

• copper
• magnesium
• iron wool
• aluminium
• zinc

Answer 7

Magnesium is the most reactive as it burns with a bright white light and becomes magnesium oxide.

Question 8

State the non metals in the reactivity scale.

Answer 8

carbon and hydrogen

Question 9

state the acronym used remember the reactivity scale.

Answer 9

Please
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