what is the colour of magenisium ribbion ?

why we take gogles when we burn magenisiun ribbion?

what is maked when we mix powder of burning magnesium ribbion?

Magnesium ribbon is silver in color.

Magnesium ribbon when burnt catches fire immediately and emits a very bright light which could harm your eyes, therefore it is always advisable to wear goggles when burning magnesium. 

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the colour of the magnesium ribbon is metalic silver.we take goggles when we burn magnesium ribbon because it releases a brilliant white dazzling light leaving a powdery substance behind.when magnesium is burned in the presence of oxygen,it forms magnesium oxide in the form of powder ash,which is a new substance.thus there is a change in composition.

magnesium+oxygen = magnesium oxide.

if we collect the ash and mix it with a small quantity of water and dissolve it another new substance is formed.

magnesium oxide + water = magnesium hydroxide.

if we test the dissolved mixture with blue and red litmus paper to decide whether it is acidic or basic.if it turns red it is acidic.if it turns blue it is basic

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