List of top Chemistry Questions asked in Bihar Board Class XII

What are the importances of salt bridge in an electrochemical cell?
What are nucleic acids?
Differentiate between Electrochemical cell and Electrolytic cell.
Explain Raoult’s law. How would you distinguish between ideal and non-ideal solutions on its basis?
Write IUPAC names of the following compounds:
Differentiate between DNA and RNA.
What are carbohydrates? How are they classified?
Differentiate between Methanoic acid and Ethanoic acid.
Why is nitrogen molecule less reactive?
What do you understand by concentration of an ore? Discuss the different methods of concentration of ores.
Write Arrhenius equation.
What do you understand by elevation of boiling point?
How would you prepare ethane from methyl iodide?
Why is PCl\(_5\) a known compound, but NCl\(_3\) is not?
Why are alcohols more soluble in water than alkanes of the same molecular weight?
How would you prepare iodoform from acetylene?
Distinguish between Alcohol and Phenol.
What happens when n-butyl chloride reacts with alcoholic KOH?
Write Faraday’s 2nd law of Electrolysis.
What are chiral and achiral compounds?
What are macromolecules?
Why is ethyl alcohol not dried by anhydrous CaCl2?
What is metamerism?
"(\(O_3\))behaves as a strong oxidising agent." Explain.
What is slag?