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What happens when 90% of copper combines...

What happens when 90% of copper combines with 10% of aluminium?

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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
  1. Nitric acid can be obtained from ammonia via the formation of the inte...

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  2. An inorganic salt (A) is decomposed on heating to give two products (B...

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  3. What happens when 90% of copper combines with 10% of aluminium?

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  4. If Cl2 is passed through hot aqueous NaOH, the products formed have Cl...

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  5. What happens when 88% of copper and 12% of tin react together?

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  6. What happens when 2.4% of chromium, 1.5% of carbon and 90-95% of iron ...

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  7. Which of the following compounds of xenon has pyramidal geometry ?

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  8. On heating with concentrated NaOH solution in an inert atmosphere of C...

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  9. Sulphuryl chloride (SO2Cl2) reacts with white phosphorus (P4) to give

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  10. Electronic configuration of only one p-block element is exceptional. O...

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  11. Which among the following group 15 element forms most stable pentavale...

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  12. What is the basicity of orthophosphorus acid?

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  13. Which of the following does not have S-S bond?

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  14. The boiling points of HF, HCl, HBr and HI follow the order

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  15. In the solid state PCl5 exists as

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  16. The acid in which O - O bonding is present, is

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  17. The most abundant noble gas in atmosphere is argon / helium.

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  18. What is the highest oxidation state exhibited by group 17 elements?

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  19. The element that does NOT form acidic oxide is:

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  20. Which one of the following group 16 element does not exist in -2 oxida...

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