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CUET - Chemistry मॉक टेस्ट

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नमूना प्रश्न

JEE Main Chemistry
The most abundant element in the Earths crust is:
A Oxygen
B Silicon
C Aluminium
D Iron
CUET Chemistry
Which of the following is a secondary battery?
A Lead storage battery
B Daniell cell
C Hydrogen-oxygen fuel cell
D Mg—Ag cell
JEE Main Chemistry
Which of the following compounds shows optical isomerism?
A [Co(NH₃)₆]Cl₃
B [Co(en)₂Cl₂]Cl
C [Co(H₂O)₆]Cl₂
D [CoCl₄]²⁻
BITSAT Chemistry
Which of the following correctly describes the trends in Group 16 hydrides (H2O, H2S, H2Se, H2Te)?
A Acidity increases down the group; thermal stability decreases down the group
B Acidity decreases down the group; thermal stability increases down the group
C Both acidity and thermal stability increase down the group
D Both acidity and thermal stability decrease down the group
NEET Chemistry
Which of the following is a secondary alcohol?
A Ethanol
B 2-methylpropan-2-ol
C Propan-2-ol
D Methanol
VITEEE Chemistry
The hybridization and molecular geometry of NH₃ (ammonia) are respectively:
A sp³, tetrahedral
B sp³, trigonal pyramidal
C sp², trigonal planar
D sp³d, seesaw
CUET Chemistry
Kolbe's reaction involves the electrophilic substitution of sodium phenoxide with CO₂ followed by acidification to produce which product?
A Phenol
B Salicylic acid
C Benzene
D Salicyaldehyde
CUET Chemistry
The elevation in boiling point (ΔT_b) of a solution is found to be 0.52 °C. If the ebullioscopic constant (K_b) of the solvent is 0.52 K·kg/mol and the solute is NaCl (which dissociates completely), what is the molality of the solution?
A 0.5 m
B 1.0 m
C 0.25 m
D 2.0 m

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