Question

Magnesium strip is ignited in air.

(i) Write down the balanced chemical equation for this reaction.

(ii) What type of reaction is this?

(iii) What is the chemical name of the powder formed?

(iv) What is the colour of this powder?

Answer 1

1  2Mg+O2------2MgO
2 combination reaction
3 magnesium oxide
4 white powder

Answer 2

powder name is magnesium oxide .

cobination reaction.

powder colour is white.

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