Chemistry
Grade-10
Easy
Question
When Zinc reacts with acid ‘X’ it forms zinc sulphate along with the evolution of ‘Y’ which burns with a pop sound. Identify what are X and Y.
X- Sulphuric acid, Y-CO
X-Sulphuric acid, Y-H2
-
X- Hydrochloric acid, Y-H2
X- Hydrochloric acid, Y- O2
X- Sulphuric acid, Y-CO
X-Sulphuric acid, Y-H2
X- Hydrochloric acid, Y- O2
Hint:
Hydrogen gas makes pop sound.
The correct answer is: X-Sulphuric acid, Y-H2
The zinc react with sulphuric acid forming zinc sulphate dissolved in solution and releasing hydrogen gas.
Hydrogen gas burns with pop sound.
X- Sulphuric acid and Y - H2
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