ChemVeda Classes

ChemVeda Classes Join today and get to the point concept on any topic of chemistry . Theory By- Deepak Kumar. why you afraid from chemistry. and get you answer very quickly.

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you only needed to post any question according to 11th &12th syllabus .

19/09/2026

Q) Why do copper vessels turn green over time, and how can you clean them using everyday household items?

When copper is exposed to air and moisture, it reacts with oxygen, carbon dioxide, and water to form a green coating called *basic copper carbonate*.

🧪 The Science Clean-Up:
Since copper carbonate is basic, an acid easily dissolves it! You can clean copper vessels using:
- *Lemon & Salt:* Citric acid reacts with the tarnish to restore the shine.
- *Vinegar & Baking Soda:* Acetic acid strips away the oxide layer quickly.

Save this concept for your exams and share it with fellow science students! 💡

12/09/2026

Simple electric lighter! ⚡️ What should we build next? Let me know in the comments.

07/09/2026

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BPSC TRE Question Bank available for free of cost.

07/09/2026

Q) What is the significance of the Universal Indicator, and how does it differ from standard litmus paper?

06/09/2026

Learn more symbols and their uses

🍋 Did you know? The fizz in your soft drink and the sourness of a lemon are both explained by the same branch of chemist...
06/09/2026

🍋 Did you know? The fizz in your soft drink and the sourness of a lemon are both explained by the same branch of chemistry you're studying right now — acids, bases, and equilibrium!

Chemistry isn't just in your textbook, it's in your glass. 🥤

05/09/2026

What is the difference between molarity and molality? Why is molality preferred for colligative properties?

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