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questions
List of practice Questions
Which of the following catalysts is used in the manufacture of NH$_3$ by Haber’s process?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
General Chemistry
By which of the following processes colloidal sols are purified?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Colloids
The highest volume of which of the following gases would be adsorbed by 1 g of charcoal at 298 K?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
General Chemistry
Saccharin is a/an
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Biomolecules
Which of the following is a member of first transition series?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
General Chemistry
Which of the following contains ester linkages?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Polymers
Which of the following is a thermosetting plastic?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Polymers
Which of the following is a polyamide?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Polymers
Which of the following is used as an antacid?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
General Chemistry
The rate constant of a chemical reaction depends upon which of the following?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Chemical Kinetics
The important oxide ore of iron is
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Metallurgy
In which of the following is the oxidation state of oxygen \(+2\)?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Redox Reactions
Which of the following is a radioactive noble gas?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Group 18 Elements (Noble Gases)
By which of the following noble gases have the maximum number of compounds been formed?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Group 18 Elements (Noble Gases)
Which of the following is a polar compound?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Chemical bonding and molecular structure
Which of the following conducts electricity in a solution?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Electrochemistry
The standard electrode potentials of metals A, B, C and D are $-3.05\,\mathrm{V}$, $-1.66\,\mathrm{V}$, $-0.40\,\mathrm{V}$ and $+0.8\,\mathrm{V}$ respectively. Which of the following would have the highest reducing power?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Electrochemistry
The cell constant of a conductivity cell is
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Electrochemistry
The rate of the reaction $2A + B \rightarrow C$ can be represented by which of the following?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Chemical Kinetics
The rate law of a reaction is $\text{Rate}=k[A][B]^2$. If the concentration of $B$ is trebled keeping $[A]$ constant, the rate becomes
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Chemical Kinetics
The IUPAC name of CH$_3$–CH(NH$_2$)–CH$_3$ is:
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Nomenclature Of Organic Compounds
Primary amine on reaction with Grignard reagent gives which of the following?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Organic Reactions
Which of the following is the most basic?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Amines
Which of the following is Hinsberg reagent?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Amines
Which of the following is formed when acetamide reacts with Br$_2$/KOH?
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Amines
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