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Why is borax swelled like a puff when he...

Why is borax swelled like a puff when heated

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The aqueous solution of sodium acetate will be alkaline in nature.
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CHHAYA PUBLICATION-PREVIOUS YEAR QUESTION PAPER 2019-WBCHSE 2019 (SECTION II )
  1. Balance by ion- electron method : MnO(4)^(-) + Fe^(2+) + H^(+) to Fe...

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  2. Indicate the oxidation numbers of two N atoms of NH(4) NO(3) .

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  3. Why paste of BaO(2) is used in laboratory preparation of H(2) O(2) ?

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  4. What do you mean by interestitial hydride ?

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  5. Which hydroxide of an alkaline earth metal is present in bordeaux mixt...

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  6. Among the alkali metals why all other metals except Li and Na can form...

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  7. Which one between CH(2) = CH - overset(+)(C)H(2) and ions is more sta...

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  8. What do you mean by resonance energy ?

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  9. Discuss the reaction mechanisms with differences in them when CH(3) Cl...

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  10. PCl(5) (g) hArr PCl(3) (g) + Cl(2) (g) - What effects on equilibrium o...

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  11. During preparation of table salt , HCl gas is passed through sea water...

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  12. State Ostwald's dilution law and establish its mathematical expression...

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  13. Write down the relation between K(p) and K(c) of the reaction H(2) (g)...

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  14. What will be the acidic or alkaline nature of aqueous solution of sodi...

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  15. Why is borax swelled like a puff when heated

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  16. How can you identify a copper salt by borax bead test ? Explain the re...

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  17. Why is it difficult to limit Friedel-Crafts alkylation reaction of ben...

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  18. How can you convert ? Chloroform to acetylene

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  19. How can you convert ? Ethylene to Ethanol

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  20. How can you convert ? Benzene to Ethyl benzene

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