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Which of the following statement is wron...

Which of the following statement is wrong ?

A

Conversion of milk intro curd is a chemical change

B

Addition of water to quick lime liberates heat energy

C

Addition of aqueous `Na_2SO_4` to aquewous `BaCl_2` form clear solution

D

Calcium oxide produce colourless solution when dissolved in water

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BEYOND PUBLICATION-CHEMICAL EQUATIONS-EXERCISE
  1. 4 Agcl rarr 4 Ag + 2 Cl2. Is it a balanced equation ? Yet it is not in...

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  2. An arrow pointing downwards in a chemical reaction shows……

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  3. A solution of sodium carbonate reacts with Ca(OH)2 to give

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  4. Which reaction is a reversible reaction ?

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  5. Which of the following precipitate is formed, on mixing lead nitrate P...

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  6. Which of the following is formed, when magnesium burns in air ?

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  7. Which of the following precipitate is formed on mixing sodium with bar...

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  8. Which of the following is, when the black coating that appears when co...

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  9. By using which of the following one, we can calculate tha number of mo...

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  10. Which of the following is the colour of copper sulphate (CuSO4) ?

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  11. The process of preparing slaked lime by adding water to quicklime is t...

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  12. A balanced equation contains

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  13. Unbalanced equation is called

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  14. xH(2)+yO(2)rarr zH(2)O. The values of x, y, z are

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  15. Which of the following statement is wrong ?

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  16. Which of the following statement is / are true ?

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  17. HCl is reacting with zinc granules. How can you say that it is an exot...

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  18. When HCl reacts with zinc. Which gas will evolved ? How can you prove ...

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  19. Where does the arrow head point face in a chemical equation ? Why ?

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  20. Where do you indicate hate energy in exo thermic reactions in a chemic...

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