An element burns in air to form an oxide. The aqueous solution of this oxide turns turmeric paper red. State whether the element is a metal or nonmetal. Name one such element.

Turmeric is used as a natural indicator. Turmeric paper turns from yellow to red when it is dipped into basic solution. Turmeric paper does not change its colour with acid.

Metals react with oxygen to form metallic oxides. These metallic oxides are basic because they react with water to form bases. 

For example, magnesium is a metal, it reacts with oxygen to magnesium oxide, which is basic in nature.

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Updated on: 10-Oct-2022

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