The types of metals that can be obtained in their pure form by just heating their oxides in air are generally the less reactive metals. These include metals like mercury, silver, and gold.

For example, mercury(II) oxide, when heated, decomposes to give pure mercury and oxygen gas. The reaction can be represented as:

2HgO(s) → 2Hg(l) + O2(g)

This is a thermal decomposition reaction where heat is used to break down mercury(II) oxide into its elements, mercury and oxygen.

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The types of metals that can be obtained in their pure form by just heating their oxides in air are generally the less reactive metals. These include metals like mercury, silver, and gold.

For example, mercury(II) oxide, when heated, decomposes to give pure mercury and oxygen gas. The reaction can be represented as:

2HgO(s) → 2Hg(l) + O2(g)

This is a thermal decomposition reaction where heat is used to break down mercury(II) oxide into its elements, mercury and oxygen.

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The types of metals that can be obtained in their pure form by just heating their oxides in air are generally the less reactive metals. These include metals like mercury, silver, and gold.

For example, mercury(II) oxide, when heated, decomposes to give pure mercury and oxygen gas. The reaction can be represented as:

2HgO(s) → 2Hg(l) + O2(g)

This is a thermal decomposition reaction where heat is used to break down mercury(II) oxide into its elements, mercury and oxygen.

which types of metal can be obtained i ntheir pure form by just hetaing their oxides in air. Give one example

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