List of top Questions asked in CUET (UG)

Match List I with List II

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Basic hydrolysis of esters produces:

The bond angle in methanol is :

The incorrect equation for Arrhenius equation for activation energy is:

Compound B in the above reaction is

Actinoid contraction is of greater extent then lanthanide contraction because :

Match List-I with List-II.

List-I		List-II
(A)	Nylon	(I)	Terylene
(B)	Polyester	(II)	Caprolactam
(C)	Bakeli	(III)	Isoprene
(D)	Rubber	(IV)	Novolac

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What will be the product of the following reaction:
C₆H₅ONa+ C₂H₅Cl → ?

Match List I with List II

List-I		List-II
(A)	Cyanocobalamine	(I)	Hydrogenation of Alkenes
(B)	Wilkinson catalyst	(II)	Antipernicious anemia factor
(C)	D-penicillamine	(III)	Refining of Ni
(D)	Mond's Process	(IV)	Treatment of toxic effects of copper

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Match List -I with List-II

	List -I		List-II
A	Buna-S	I	Vinyl chloride
B	Neoprene	II	1,3-Butadiene and styrene
C	PVC	III	Tetra flouroethene
D	Teflon	IV	Chloroprene

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Amongst the following, identify the condensation polymer/s:
(A) Bakelite
(B) Teflon
(C) Melamine formaldehyde resin
(D) Nylon-2 nylon-6
(E) Buna-S
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The IUPAC name of

A reaction takes 30 minutes to complete 50% of the reaction and takes 45 minutes to complete 75% of the reaction. The order of the reaction is:

An inorganic salt taken in a test tube was mixed with of freshly prepared ferrous sulphate solution. Concentrated sulphuric acid was then added along the walls of the test tube. Predict the formula of the compound formed:

Phenol is manufactured from hydrocarbon, Cumene. Cumene is chemically:

Which one of the following statements is incorrect about enzyme catalysis?

The reactions taking place during electrolysis of aqueous solution of CuCl₂ with platinum electrodes are :
A. Cu²⁺(aq) + 2e^- → Cu(s)
B. H⁺(aq) + e^- → \(\frac{1}{2}H_2(g)\)
C. H₂O(l) + e^- → \(\frac{1}{2}H_2(g)+^-OH(aq)\)
D. Cl^-(aq) → \(\frac{1}{2}Cl_2(g)+e^-\)
E. 2^-OH(aq) → H₂O(l) + \(\frac{1}{2}O_2(g)+2e^-\)
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During peptization the
precipitate breaks up into smaller particles of the size of a colloid
molecules aggregate together to form a colloid
the precipitate adsorb one of the ions of the electrolyte on its surface
precipitate is shaken with the dispersion medium
molecules loses positive and negative charge.
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Colour of Manganate ion in \(KMnO_4\) is due to:

Match List I with List II

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Which of the following statements are true?
A. Flocculation value is inversely proportional to the coagulating power.
B. Colloidal silicon is a protective colloid.
C. Alum is used for cleaning muddy water.
D. Gelatin is added to ice cream to act as an emulsifier.
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Rate of a reaction changes from 2.48 x 10^-3 mol sec^-1 to 4.96x 10^-3 mol sec^-1 when concentration of reactant, is changes from 0.6M to 2.4 M respectively, the order of reaction is

Zone refining is based on the principle that

Match List I with List II

List-I		List-II
(A)	Van Arkel Method	(I)	Copper
(B)	Zone Refining	(II)	Titanium
(C)	Mond Process	(III)	Germanism
(D)	Electrolytic Refining	(IV)	Nickel

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The presence or absence of hydroxyl group on which carbon atom of sugar differentiate RNA and DNA: