Activity 1.3 Ncert Science class 10

Activity 1.3 Ncert Science class 10Activity 1.3 Ncert Science class 10

activity 1.3 zinc with acid
Air bubble come out from zinc

Objective: The question ask to put zinc granules in the beaker containing acid either hydrochloric acid or sulphuric acid and ask for what we observe.

Observation: Air Bubbles comes out from the granules, and Conical flask becomes warm.

Inference: Zinc granules react with hydrochloric acid or sulfuric acid and forms hydrogen gas.

Zn(s) + 2HCl(aq) → ZnCl2(aq)+ H2↑ + heat

Zn(s) + 2H2SO4(aq) → ZnSO4(aq) + 2H2↑ + heat

Caution: Acids are corrosive and harmful for skin. Avoid touching them with bare skin.

Next: Quick lime reaction with water.Activity 1.4.

See also: 

The reaction of lead nitrate with potassium iodide. Activity 1.2

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

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