IGS Ph KS3 Ch Thermal Decomposition of Carbonates

Which is the most reactive metal?

• calcium

• magnesium

• zinc

• copper

Which is the least reactive metal?

• calcium

• magnesium

• zinc

• copper

Which is the most reactive metal?

• calcium

• magnesium

• zinc

• copper

Which is the least reactive metal?

• calcium

• magnesium

• zinc

• copper

Which elements are in calcium carbonate?

• calcium

• carbon

• oxygen

• ateium

calcium magnesium zinc copper.

Which is the most reactive metal in the list above?

calcium magnesium zinc copper.

Which is the least reactive metal in the list above?

When magnesium oxide is heated, what chemical process does it undergo?

• Decomposition

• Neutralisation

• Oxidation

• Reduction

When magnesium oxide is heated it decomposes.

What kind of decomposition is this?

• Thermal decomposition

• Chemical decomposition

• Enzymatic decomposition

• Nuclear decomposition

Which reaction happens most quickly (if they're all heated at the same rate)?

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