List of top Chemistry Questions asked in Bihar Board Class XII

What is power alcohol?
What is formed when benzene reacts with ethyl bromide in the presence of anhydrous AlCl$_3$? Give equation.
What is peptization?
What is sorption? Give an example.
What is slag?
Pyrolusite is an ore of which of the following?
What do you understand by abnormal molecular mass?
What is molal elevation constant? How is it related to molarity of a solution?
The process of reduction of a metal oxide by carbon or carbon monoxide to the metal is called
Cyanide process is used for the extraction of which of the following metals?
Which of the following is used as a soap?
The half life of a first order reaction
The highest volume of which of the following gases would be adsorbed by 1 g of charcoal at 298 K?
By which of the following processes colloidal sols are purified?
Which of the following catalysts is used in the manufacture of NH$_3$ by Haber’s process?
Which of the following is antioxidant?
Saccharin is a/an
Which of the following contains ester linkages?
Which of the following is a thermosetting plastic?
Which of the following is a polyamide?
Which of the following is used as an antacid?
Which of the following is a member of first transition series?
The rate constant of a chemical reaction depends upon which of the following?
Which of the following is a polar compound?
In which of the following is the oxidation state of oxygen \(+2\)?