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Q1. Who proposed the law of conservation of mass?

Q2. Who amended the original law of law of conservation of mass?

Q3. How metal sodium reacts with a non metal?

Q4. What is the law of constant composition or proportion?

Q5.  Give examples of law of constant composition.

Q6. What law is followed in balancing a chemical reaction or transformation? 

Q7. Explain the law of conservation of mass with reference to balanced chemical equation.

Q8. Explain the law of conservation of mass diagrammatically

Q9. What is the volume of oxygen required to burn 22.4dm3 of methane and 11.2dm3 of hydrogen at STP?

Q10. Esters give different fruity smell due to presence of which esteric functional groups?

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