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Which inertgas is used as cryogenic agen...

Which inertgas is used as cryogenic agent for carrying out various experiments at low temperature?

A

Ne

B

Ar

C

He

D

Kr

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SHARAM PUBLICATION-SET - 20-Exercise
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  2. The depression in freezing point for 1M urea 1M glucose and 1M NaCl ar...

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  3. Which inertgas is used as cryogenic agent for carrying out various exp...

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  4. When dispersed phase is solid and dispersion medium in gas the colloid...

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  5. The number of unpaired electrons in gaseous species of Mn^(2+), Cr^(3+...

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  9. What is Sandmeyer's reaction? Give an example.

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  11. What happens when ethyl amine is treated with CHCl3 and alcoholic KOH ...

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  16. How does nitrogen differ from other elements of Gr-15?

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  17. With the help of crystal field theory, predict the number of unpaired ...

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  19. Write a note on calcination and roasting.

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