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Explain giving reasons why : Solution o...

Explain giving reasons why :
Solution of sodium chloride has no effect on litmus, but a solution of zinc chloride turns blue litmus red.`""^(**"**)`

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ICSE-SAMPLE PAPER 2014-PART-II (SECTION -A)
  1. Write the mathematical expression relating the variation of rate const...

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  2. How can you graphically find the activation energy of the reaction fro...

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  3. The slope of the line in the graph of log k (k = rate constant) versus...

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  4. Define Frenkel defect in solid crystal.

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  5. Explain giving reasons why ionic solids conduct electricity in molten ...

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  6. Explain giving reasons why : Solution of sodium chloride has no effec...

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  7. For a crystal of diamond, state : The number of carbon atoms present...

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  8. For a crystal of diamond, state : The type of lattice in which it cr...

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  9. In a crystal of diamond : How many carbon atoms surround each carbon...

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  10. In a crystal of diamond : How many carbon atoms surround each carbon...

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  11. What is standard hydrogen electrode ? Give the reaction that occurs a...

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  12. 0.05 "M" NaOH solution offered a resistance of 31.6 ohm in a conductiv...

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  13. Kc for the reaction SO2(g) + 1/2 O(2(g)) to SO(3(g)) " is " 61*7 " at ...

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  14. What happens to the equilibrium in a reversi ble reaction if a catalys...

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  15. State the effect of the following on the reaction 2SO(2(g)) + O(2(g)) ...

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  16. State the effect of the following on the reaction 2SO(2(g)) + O(2(g)) ...

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  17. State the effect of the following on the reaction 2SO(2(g)) + O(2(g)) ...

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  18. State the effect of the following on the reaction 2SO(2(g)) + O(2(g)) ...

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  19. 0*3605 g of a metal is deposited on the electrode by passing 1*2 amper...

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  20. Explain why phenolphthalein is used as an indicator in acid-base titra...

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