Sunday, December 31, 2023

IMPORTANT QUESTION (CHEMISTRY) CLASS 12

 IMPORTANT QUESTION (CHEMISTRY) 

BY AARISH SIR 

1. What is standard hydrogen electrode? How is it made?


2. What is Kohlrausch law? Give any one of its applications?


3. Describe Brodie's ozonizer with diagram


4. Write formulas and structures of five oxy acids of sulphur


5. Write short notes on the following:


Lucas Reagent


Reimer-Tiemann Reaction


6. Write short notes on the following:


Charak


Nalanda Vishwa Vistrala


7. Give any 4 differences between Phenol and Alcohol


8. What is Tyndall effect?


9. What are Interhalogen Compounds?


10. Write short notes on:


Threshold Energy


Energy of Activation


11. Write 4 Alloys of Aluminium with its names, composition and its uses 12. Difference between primary, secondary and tertiary alcohol through victor meyer's


Method only Equations


13. Write electro-chemical theory of corrosion(Rust)


14. What is gold number?


15. What is emulsion?


16. Why the elements of Group 17 are coloured?


17. Write any two applications of Enzymes


18. What is ionization isomerism? Give one example


19. What half life period of a reaction? Calculate the half life period of a first order reaction.


20. Draw a labelled diagram of a blast furnace for the extraction of iron

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