Magnesium ribbon when burnt in air forms ash- The chemical composition of the ash formed and the change involved is- nbsp-Magnesium oxide- physicalMagnesium oxide- chemicalMagnesium hydroxide- physicalMagnesium hydroxide- chemical

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Magnesium rib...

Question

Magnesium ribbon when burnt in air forms ash. The chemical composition of the ash formed and the change involved is:

Magnesium oxide, physical

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Magnesium oxide, chemical

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Magnesium hydroxide, physical

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Magnesium hydroxide, chemical

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Solution

The correct option is B Magnesium oxide, chemical
Magnesium ribbon is burnt in air to form ash of magnesium oxide. This can be represented as:

Magnesium + Oxygen $\to$ Magnesium oxide

This is an example of a chemical change since new substance is formed here.

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Similar questions

Q. Magnesium ribbon when burnt in air forms ash. The chemical composition of the ash formed and the change involved is:

Q. When magnesium ribbon is burnt in the air, it forms ________ which is _______ in colour. [0.5 marks]

(a) magnesium hydroxide, black
(b) magnesium oxide, white
(c) magnesium oxide, black
(d) magnesium hydroxide, white

Q. When magnesium ribbon burns in the air, it forms white ash. The chemical name of white ash is:

Magnesium ribbon when burnt in the air forms a new compound. What is the chemical composition of the compound formed and the changes involved in the process?

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Standard VII Chemistry

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Magnesium ribbon when burnt in air forms ash. The chemical composition of the ash formed and the change involved is:

The correct option is B Magnesium oxide, chemicalMagnesium ribbon is burnt in air to form ash of magnesium oxide. This can be represented as: Magnesium + Oxygen → Magnesium oxide This is an example of a chemical change since new substance is formed here.

The correct option is B Magnesium oxide, chemical
Magnesium ribbon is burnt in air to form ash of magnesium oxide. This can be represented as:

Magnesium + Oxygen $\to$ Magnesium oxide

This is an example of a chemical change since new substance is formed here.