Acids, Bases and Salts | Class 10 | Activity 2.4 with Solution

Activity 2.4

• Place a few pieces of granulated zinc metal in a test tube.
• Add 2 mL of sodium hydroxide solution and warm the contents of the test tube.
• Repeat the rest of the steps as in Activity 2.3 and record your observations.

✅ Answer: Here also, hydrogen is formed. 

2NaOH(aq) + Zn(s) → Na₂ZnO₂(s) + H₂(g)

                                    (Sodium zincate)

• Activity 2.1
• Activity 2.2
• Activity 2.3
• Activity 2.4
• Activity 2.5
• Activity 2.6
• Activity 2.7
• Activity 2.8
• Activity 2.9
• Activity 2.10
• Activity 2.11
• Activity 2.12
• Activity 2.13
• Activity 2.14
• Activity 2.15

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