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Chemistry
List of top Chemistry Questions
Which of the following is a natural rubber?
Bihar Board XII - 2024
Bihar Board XII
Chemistry
Polymers
Which of the following is an alkaloid?
Bihar Board XII - 2024
Bihar Board XII
Chemistry
Biomolecules
A vitamin which plays a vital role in the coagulating property of blood is
Bihar Board XII - 2024
Bihar Board XII
Chemistry
Biomolecules
Hydrazine is a drug which is used in the treatment of which of the following?
Bihar Board XII - 2024
Bihar Board XII
Chemistry
Chemistry in Everyday Life
Chloramine-T is a/an
Bihar Board XII - 2024
Bihar Board XII
Chemistry
Chemistry in Everyday Life
\( \text{F}_2\text{C} = \text{CF}_2 \) is a monomer of which of the following?
Bihar Board XII - 2024
Bihar Board XII
Chemistry
Polymers
Which of the following has the smallest bond angle?
Bihar Board XII - 2024
Bihar Board XII
Chemistry
Chemical bonding and molecular structure
The maximum oxidation state of chromium is
Bihar Board XII - 2024
Bihar Board XII
Chemistry
Transition Elements
The structure of XeF₄ is
Bihar Board XII - 2024
Bihar Board XII
Chemistry
p -Block Elements
Which of the following halogens does not exhibit a positive oxidation state?
Bihar Board XII - 2024
Bihar Board XII
Chemistry
p -Block Elements
Which of the following is the molecular formula of Orthophosphoric acid?
Bihar Board XII - 2024
Bihar Board XII
Chemistry
p -Block Elements
Which of the following has the maximum number of unpaired electrons?
Bihar Board XII - 2024
Bihar Board XII
Chemistry
Transition Elements
The number of unpaired electrons in \( \text{Cu}^{2+} \) ion (Z = 29) is
Bihar Board XII - 2024
Bihar Board XII
Chemistry
Transition Elements
The osmotic pressure of a solution is represented by which of the following equations?
Bihar Board XII - 2024
Bihar Board XII
Chemistry
Colligative Properties
Which of the following is an amorphous solid ?
Bihar Board XII - 2024
Bihar Board XII
Chemistry
The solid state
An octahedral void is surrounded by how many spheres ?
Bihar Board XII - 2024
Bihar Board XII
Chemistry
The solid state
Which of the following modes of expressing concentration of solution does not depend upon temperature ?
Bihar Board XII - 2024
Bihar Board XII
Chemistry
Solutions
Which of the following show positive deviation from Raoult's law?
Bihar Board XII - 2024
Bihar Board XII
Chemistry
Solutions
The structure of NaCl crystal is
Bihar Board XII - 2024
Bihar Board XII
Chemistry
The solid state
Acetamide is
Bihar Board XII - 2024
Bihar Board XII
Chemistry
Organic Chemistry
Methylamine on heating with chloroform and alcoholic KOH gives
Bihar Board XII - 2024
Bihar Board XII
Chemistry
Organic Reactions
The helical structure of protein is stabilized by which of the following?
Bihar Board XII - 2024
Bihar Board XII
Chemistry
Biomolecules
Which of the following is a ketohexose?
Bihar Board XII - 2024
Bihar Board XII
Chemistry
Biomolecules
Which of the following types of crystal is diamond?
Bihar Board XII - 2024
Bihar Board XII
Chemistry
The solid state
Which of the following is the most basic?
Bihar Board XII - 2024
Bihar Board XII
Chemistry
Organic Chemistry
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