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questions
List of practice Questions
Who wrote "Humayunnama"?
UP Board XII - 2023
UP Board XII
History
Medieval Indian History
Who translated Akbarnama in English?
UP Board XII - 2023
UP Board XII
History
Medieval Indian History
Why is chlorine atom of chlorobenzene less reactive than chlorine atom of chloroethane? Write chemical equations of reactions of chlorobenzene with (A) Cl$_2$ and (B) conc. H$_2$SO$_4$.
UP Board XII - 2023
UP Board XII
Chemistry
Aromaticity & chemistry of aromatic compounds
Write short notes on the following:
(A) Electrophilic substitution in halobenzene,
(B) Wurtz–Fittig reaction,
(C) Applications of Grignard’s reagent.
UP Board XII - 2023
UP Board XII
Chemistry
Aromaticity & chemistry of aromatic compounds
From which of the Harappan sites has the evidence of "Great Granary" been found?
UP Board XII - 2023
UP Board XII
History
Ancient Indian History
When did Madho Swaroop Vatsa begin excavations at Harappa ?
UP Board XII - 2023
UP Board XII
History
Ancient Indian History
78 CE is related to
UP Board XII - 2023
UP Board XII
History
Ancient Indian History
Which Sufi saint's dargah is located at Ajmer ?
UP Board XII - 2023
UP Board XII
History
Medieval Indian History
'Hunuj Delhi dur ast' is the statement of
UP Board XII - 2023
UP Board XII
History
Medieval Indian History
Write the reaction of ozone with lead sulphide.
UP Board XII - 2023
UP Board XII
Chemistry
Oxidation-Reduction
Write the reaction between NO (g) and O\(_3\) (g).
UP Board XII - 2023
UP Board XII
Chemistry
Oxidation-Reduction
Write the structural formula and I.U.P.A.C. name of D-glucose. How will you prove the presence of aldehyde group in glucose molecule?
UP Board XII - 2023
UP Board XII
Chemistry
Carbohydrates
Denaturation of protein.
UP Board XII - 2023
UP Board XII
Chemistry
Biomolecules
Zwitter ion.
UP Board XII - 2023
UP Board XII
Chemistry
Biomolecules
Uses of protein.
UP Board XII - 2023
UP Board XII
Chemistry
Biomolecules
Write the structural formula of benzaldehyde. Write chemical equations of the reaction of benzaldehyde with (A) NH$_2$NH$_2$, (B) Tollen’s reagent and (C) NaOH.
UP Board XII - 2023
UP Board XII
Chemistry
Aldehydes And Ketones
Write I.U.P.A.C. name of Acetaldehyde. Write chemical equations of its reaction with (A) NaHSO$_3$, (B) NaOH, (C) NH$_2$NH$_2$, and (D) HCN.
UP Board XII - 2023
UP Board XII
Chemistry
Aldehydes And Ketones
Write I.U.P.A.C. name of CH\(_3\)CH\(_2\)OCH\(_2\)CH\(_2\)CH\(_3\).
UP Board XII - 2023
UP Board XII
Chemistry
Alcohols, Phenols And Ethers
What are tetrahedral voids?
UP Board XII - 2023
UP Board XII
Chemistry
Solid State
Which of 0.1 M urea and 0.1 M NaCl will have more osmotic pressure? Explain with reason.
UP Board XII - 2023
UP Board XII
Chemistry
Solutions
Write balanced chemical equation of the reaction of ethanamine with NaNO\(_2\) + dil. HCl.
UP Board XII - 2023
UP Board XII
Chemistry
Amines
Write balanced chemical equation of the reaction of ethanamine with Hinsberg reagent.
UP Board XII - 2023
UP Board XII
Chemistry
Amines
Reaction of NaNO\(_3\) and H\(_2\)SO\(_4\).
UP Board XII - 2023
UP Board XII
Chemistry
Industrial Chemistry
Reaction of conc. HNO\(_3\) with I\(_2\).
UP Board XII - 2023
UP Board XII
Chemistry
Oxidation-Reduction
Reaction of nitric acid and zinc.
UP Board XII - 2023
UP Board XII
Chemistry
Oxidation-Reduction
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