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Valcanisation of rubber is done by heati...

Valcanisation of rubber is done by heating natural rubber with.

A

S

B

`SF_6`

C

any of these

D

none of these

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UNITED BOOK HOUSE-SET-9-Exercise
  1. If diazotisation of aniline is carried out above 278 K, the product is...

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  2. Glucose & fructose are.

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  3. Valcanisation of rubber is done by heating natural rubber with.

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  4. The sleep inducing drug is called.

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  5. Commonly used antioxidant is/are.

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  6. Why does the conductivity of an electrolytic solution decrease with di...

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  7. How do size of particles of adsorbent, pressure of gas and prevailing ...

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  8. Write the general outer electronic configuration of f block elements.

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  9. Cu^+ ion is colourless. Why?

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  10. What is the chemical nature of common antacids?

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  11. What is an antiseptic?

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  12. A solution of 2.44xx10^-3 kg of a nonelectrolyte solute dissolved in 0...

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  13. Calculate the osmotic pressure of a 10%. Solution of glucose at 18^@C....

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  14. Write the differences between colloidal solution & true solution.

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  15. Explain the effect of addition of an electrolyte to a sol.

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  16. Explain the dhydrating nature of concentrated H2SO4 with chemical equa...

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  17. What happens when Cl2 gas is passed through hot and concentrated NaOH ...

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  18. Give the IUPAC name of the complex: [Ag(NH3)2]Cl.

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  19. Calculate the oxidation state of the central metal of the complex [Ni(...

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  20. What are nylons? How is nylon-6, 6 prepared?

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