Question

write down the objective of activity burning of magnesium ribbon?​

Answer 1

Answer:

oxygen and magnesium come together in a chemical reaction to form this compound. After it burns, it forms a white powder of the magnesium oxide. Magnesium gives up two electrons to oxygen atoms to form this powdery product. This is an exothermic reaction.

Explanation:

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Answer 2

AIM : To study the burning of a Magnesium ribbon.

Materials Required : Magnesium ribbon , China dish.

Procedure :

1. Take a small piece of magnesium ribbon.

2. Clean its one end with a fine sand paper.

3. Hold it with a pair of tongs and heat the cleaned end in a candle flame.

Observation A : Magnesium ribbon burns rapidly with dazzling white light .

4. Collect the ash in a dry China dish.

5. Dissolve the ash collected in the China dish in a small amount of water.

Observation B : It turns red litmus to blue.

Conclusion :

1. Magnesium burns when heated in air to form a new substance called magnesium oxide .

2. Magnesium oxide when dissolved in water gives a basic solution because it changes red litmus to blue.