Activity 1.1 Ncert Science class 10

Activity 1.1 Ncert Science class 10 Chemical reactions and Equations.

Brief Procedure:

Activity 1.1 asks us to burn Magnesium ribbon in a china dish and see what happens.

Observation:

Magnesium ribbon burns spontaneously, and white ash deposits on the china dish.

Activity 1.1 Ncert Science class 10 Magnesium ribbon burning
Burning Magnesium ribbon
Explanation:

Magnesium is a highly reactive metal. It reacts spontaneously with oxygen present in the atmosphere to form white ash of Magnesium oxide with the liberation of energy.

2Mg(s)   + O2(g)  ———> 2MgO(s)

Caution:

Magnesium can burn spontaneously like a cracker. Keep it away from the body during the experiment.

Next: Lead nitrate reaction with potassium iodide.Activity 1.2 

Zinc granules reaction with acid.Activity 1.3.

See also:

Solved questions and activities of chapter 1 Chemical reactions and equations.

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