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What happens when ? (i)Aqeous solution...

What happens when ?
(i)Aqeous solution of `NaNO_(3)` is heated with zinc dust and caustic soda.
(ii)`CaO` in water reacts with white phosphorus.

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The correct Answer is:
`4Zn+7NaOH+NaNO_(3) to NH_(3) + 4Na_(2)ZnO_(2) + 2H_(2)O` ; `3CaO+8P+9H_(2)O to 3Ca(H_(2)PO_(2))_(2) +2PH_(3)`
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RESONANCE-P BLOCK ELEMENTS-Exercise 2 part 1 SUBJECTIVE
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  2. How will you obtain : (A)Ammonia from quick lime (in three only) (...

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  3. An orange solid (A) on heating gave a green residue (B), colourless ga...

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  4. What happens when ? (i)Ammonia reacts with KMnO(4) (neutral medium) ...

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  5. What happens when ? (i)Aqeous solution of NaNO(3) is heated with zin...

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  6. Write down a reaction showing action of N(2)O(4)(l) as non-aqueous sol...

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  7. Give the equations for preparation of : (A)Nitrolim. (B)Phosphine ...

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  8. A waxy crystalline solid (A) with a garlic odour is obtained by burnin...

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  9. Identify (A) to ( E). (a) An inorganic iodide (A) on heating with a ...

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  10. Complete and balance the following : (i)P(4)O(10)+PCl(5)to (ii)NH(3)...

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  11. In the following equation : A + 2 B + H2 O rarr C + 2 D A = HNO2, ...

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  14. From the reactions given below. Identify (A),(B),( C) and (D) and writ...

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  15. Complete the following equations (i)I(2)+O(3)+H(2)O to HIO(3)+….. , ...

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