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Chemistry
List of top Chemistry Questions
What is sorption? Give an example.
Bihar Board XII - 2023
Bihar Board XII
Chemistry
Surface Chemistry
What is peptization?
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Bihar Board XII
Chemistry
Colloids
What is formed when benzene reacts with ethyl bromide in the presence of anhydrous AlCl$_3$? Give equation.
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Bihar Board XII
Chemistry
Organic Chemistry
What is slag?
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Bihar Board XII
Chemistry
Metallurgy
Pyrolusite is an ore of which of the following?
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Bihar Board XII
Chemistry
General Chemistry
The process of reduction of a metal oxide by carbon or carbon monoxide to the metal is called
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Bihar Board XII
Chemistry
Metallurgy
Cyanide process is used for the extraction of which of the following metals?
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Bihar Board XII
Chemistry
Metallurgy
What do you understand by abnormal molecular mass?
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Bihar Board XII
Chemistry
Colligative Properties
What is molal elevation constant? How is it related to molarity of a solution?
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Bihar Board XII
Chemistry
Colligative Properties
By which of the following processes colloidal sols are purified?
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Bihar Board XII
Chemistry
Colloids
Which of the following is used as a soap?
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Bihar Board XII
Chemistry
soaps
The half life of a first order reaction
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Bihar Board XII
Chemistry
Chemical Kinetics
Which of the following is antioxidant?
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Bihar Board XII
Chemistry
General Chemistry
Which of the following catalysts is used in the manufacture of NH$_3$ by Haber’s process?
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Bihar Board XII
Chemistry
General Chemistry
The highest volume of which of the following gases would be adsorbed by 1 g of charcoal at 298 K?
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Bihar Board XII
Chemistry
General Chemistry
Saccharin is a/an
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Bihar Board XII
Chemistry
Biomolecules
Which of the following is a polyamide?
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Bihar Board XII
Chemistry
Polymers
Which of the following is a thermosetting plastic?
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Bihar Board XII
Chemistry
Polymers
Which of the following contains ester linkages?
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Bihar Board XII
Chemistry
Polymers
Which of the following is a member of first transition series?
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Bihar Board XII
Chemistry
General Chemistry
Which of the following is used as an antacid?
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Bihar Board XII
Chemistry
General Chemistry
Which of the following is a polar compound?
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Bihar Board XII
Chemistry
Chemical bonding and molecular structure
Which of the following is a radioactive noble gas?
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Bihar Board XII
Chemistry
Group 18 Elements (Noble Gases)
The important oxide ore of iron is
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Bihar Board XII
Chemistry
Metallurgy
By which of the following noble gases have the maximum number of compounds been formed?
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Bihar Board XII
Chemistry
Group 18 Elements (Noble Gases)
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