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questions
List of practice Questions
At room temperature, formaldehyde is
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Aldehydes And Ketones
Write the names of the catalysts used in contact process and Ostwald process.
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Industrial Chemistry
Write the formula of Tetra-aminoaquachlorido-cobalt (III) chloride.
Bihar Board XII - 2025
Bihar Board XII
Chemistry
coordination compounds
How many kinds of Bravais lattice are possible in a crystal?
Bihar Board XII - 2025
Bihar Board XII
Chemistry
The solid state
The percentage of free space in a body-centred cubic unit cell is
Bihar Board XII - 2025
Bihar Board XII
Chemistry
The solid state
In electrolysis, oxidation takes place at:
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Electrochemistry
The quantity of electricity required to liberate 32 g of oxygen is:
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Electrochemistry
Rust is:
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Electrochemistry
Chloroform is:
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Haloalkanes and Haloarenes
General group(s) for alcohols is/are:
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Alcohols, Phenols and Ethers
The product of addition polymerization is
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Polymers
Which one of the following is a thermosetting plastic?
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Polymers
The medicines which lower fever are called
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Chemistry in Everyday Life
Which of the following is a disaccharide?
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Biomolecules
Alkali salt of palmitic acid is known as
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Biomolecules
The number of atoms present in body-centred cubic unit cell is
Bihar Board XII - 2025
Bihar Board XII
Chemistry
The solid state
Which of the following is not a crystalline solid?
Bihar Board XII - 2025
Bihar Board XII
Chemistry
The solid state
The temperature coefficient of most of the reactions lies between
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Chemical Kinetics
The expression of rate for a chemical reaction is, rate = k[A][B]^n; the order of reaction is
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Chemical Kinetics
Which of the following electrolytes is the least effective in causing coagulation of colloidal solution of ferric hydroxide?
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Surface Chemistry
Which of the following is an emulsifier ?
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Surface Chemistry
Which of the following catalysts is used in Haber’s process for the manufacture of ammonia ?
Bihar Board XII - 2025
Bihar Board XII
Chemistry
The p-Block Elements
Water soluble vitamin is
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Biomolecules
The purine base present in RNA is
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Biomolecules
The IUPAC name of CH$_3$COOC$_2$H$_5$ is
Bihar Board XII - 2025
Bihar Board XII
Chemistry
Organic Chemistry
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