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Activity 1.3 Ncert Science class 10
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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Is this a exothermic reaction?
is it a exothermic reaction
Yes it is a displacement reaction
Is this a displacement reaction?
Kindly type the result
Very much informative article and activities explained in a very good manner
Thanks a lot
Respected sir and team members.
Let’s go
Very helpful