REACTION OF ZINC GRANULES WITH ACID
Channel: SCHOLAR PATHSHALA
Date: 2020-06-04

Hello!
Activity 1.3 of NCERT Class X Science.
Demonstration of Formation of hydrogen gas by the action of dilute Hydrochloric acid on Zinc.

It proceeds like this,
Take a few zinc granules in a conical flask or a test tube. Add dilute hydrochloric acid or sulphuric acid to this as shown in the activity.  The chemical reaction between zinc and dilute Hydrochloric acid is characterised by the evolution of hydrogen gas.  We will see the bubbles of hydrogen gas being formed around zinc granules. If we touch the conical flask with our hand, we will find that it is somewhat hot. So, a change in temperature also occurs in this chemical reaction.
CAUTION: Handle the acid with care. 

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