Chemistry 5070 · O Level · The characteristic properties of acids and bases

The characteristic properties of acids and bases — practice question

A student places a small strip of magnesium ribbon in a crucible and heats it for several minutes. Magnesium oxide is formed.
(a(i))[1]

Describe how the magnesium looks before it is heated.

(a(ii))[1]

Construct the equation for this reaction using symbols.

(b)[2]

When magnesium is placed in dilute sulfuric acid, a gas is made. Name the gas and give a test and observation that identify it.

(c(i))[1]

Describe what is observed when magnesium oxide is put into excess dilute sulfuric acid.

(c(ii))[1]

Construct the equation for this reaction in symbols.

Worked solution & mark scheme

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