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What are the precautions to be observed while mixing Zn and HCI?

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VGS PUBLICATION-BRILLIANT-CHEMICAL EQUATIONS-EXERCISE
  1. Calculate the volume, mass and number of molecules of hydrogen liberat...

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  2. Explain the reaction between sodium sulphate and Barium chloride.

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  3. What are the precautions to be observed while mixing Zn and HCI?

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  4. What are your observations after adding Zinc granules to HCI?

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  5. Which gas is produced when zinc granules react with Hydrochloric acid ...

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  6. How do you test the gas evolved while Zn granules are added to HCI ?

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  7. Write the balanced chemical reaction for the following and identify th...

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  8. How do you test the nature of the solution formed by dissolving CaO in...

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  9. How do you test the nature of the solution formed by dissolving CaO in...

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  10. Water is added to quick lime in a beaker and you touch the bottom of t...

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  11. Write the reactants and products in the following reaction. Calcium ox...

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  12. Calculate the volume and the number of molecules of CO2 liberated at S...

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  13. What is a limiting reagent?

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  14. How much minimum volume of CO at STP is needed to react completely wit...

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  15. How much of lime (CaO) can be obtained by the calcinations of 300 g of...

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  16. What volume of H(2) at STP is required to reduce 0.795 g of CuO to giv...

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  17. Calculate the volume of O(2) at STP required to completely burn 100 ml...

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  18. If the gas liberated in an experiment allows the burning splinter to c...

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  19. Number of moles of Oxygen needed to produce 4 moles of water on reacti...

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  20. The reaction that takes place when quicklime is added to water is …………...

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