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NEET Chemistry: Topic-wise Test- 8 Free Online Test 2026
MCQ Practice Test & Solutions: Chemistry: Topic-wise Test- 8 (31 Questions)
You can prepare effectively for NEET NEET Mock Test Series - Updated 2026 Pattern with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Chemistry: Topic-wise Test- 8". These 31 questions have been designed by the experts with the latest curriculum of NEET 2026, to help you master the concept.
Test Highlights:
- - Format: Multiple Choice Questions (MCQ)
- - Duration: 31 minutes
- - Number of Questions: 31
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Chemistry: Topic-wise Test- 8 - Question 1
The molal depression constant for water is 1.86. The depression constant for 100g 
is
isChemistry: Topic-wise Test- 8 - Question 2
Urea is added to 2 litre of water to such an extent that 
becomes equal to 1/100. The weight of urea added is
Chemistry: Topic-wise Test- 8 - Question 3
The moleucular weight of NaCl (degree of dissociation= x) determined by the osmotic pressure method, is found to be different from its actual molecular wieght (M). Which of the following relationship is correct ?
Chemistry: Topic-wise Test- 8 - Question 4
Phenol associates in benzene to produce double moleucles. To what degree phenol assicates if van’t Hoff factor is 0.54 ?
Detailed Solution: Question 4
Chemistry: Topic-wise Test- 8 - Question 5
Dry air is bubbled successively through (i) a solution,(ii) its solvant, and (iii) through 
The lowering of vapour pressure of the solvant due to the addition
of solute is equal to
Chemistry: Topic-wise Test- 8 - Question 6
At what temperature does an aqueous solution containing 
molecules of a noneelectrolyte substance in 250g of water freeze ? 
Chemistry: Topic-wise Test- 8 - Question 7
The vapour pressure of a solvent decreased by 10mmHg when a nonvolatile solute was added to the solvent. The mole fraction of the solute in the solution
is 0.2. What would be the mole fraction of the solvent if the decrease in the vapour pressure is to be 20 mm Hg
Here Y is
forms an alcohol on reaction with Chemistry: Topic-wise Test- 8 - Question 11
can be converted into 
by the following sequence of steps
reacts with 
in the presence of 
to give Chemistry: Topic-wise Test- 8 - Question 13
Vapours of an alcohol were passed over red hot copper. It gave an olefin. The alcohol is
cannot be dried by andhydrous 
because Detailed Solution: Question 15
Chemistry: Topic-wise Test- 8 - Question 16
Increasing order of acid strength among tertiarybutanol, isopropanol and ehanol is
Detailed Solution: Question 16
Chemistry: Topic-wise Test- 8 - Question 17
How many isomeric alcohols are possible with formula 
Chemistry: Topic-wise Test- 8 - Question 18
Iodoform gives a precipitate with 
on heating with but chloroform does not because
on heating with but chloroform does not because
the order of reactivity is 
gives Chemistry: Topic-wise Test- 8 - Question 22
Methyl bromide and Ethyl bromide is mixed with equal proportions and the mixture is treated with metallic sodium. Which of the following is not expected to form
Chemistry: Topic-wise Test- 8 - Question 23
Aryl halides are less reactive towards neucliophilic substitution reactions as compared to alkyl halides due to
Chemistry: Topic-wise Test- 8 - Question 24
Propene is allowed to react with HI. The product (A) is then treated with 
to give a new product (B)
to give a new product (B)
is an example of Chemistry: Topic-wise Test- 8 - Question 26
Which of the following statements about phenol is correct?
Chemistry: Topic-wise Test- 8 - Question 27
The utility of the polymers in various fields is due to their mechanical properties like tensile strength , elasticity, toughness etc. These properties mainly depend upon intermolecular forces like van der Waal’s forces and hydrogen bonding operating in polymer molecules. Polymers have been classified on this basis,e.g.(1) Elastomers (2) Thermoplacstics (4)Thermosetting. Hence
Vulcanized rubber is an example of
Chemistry: Topic-wise Test- 8 - Question 28
The utility of the polymers in various fields is due to their mechanical properties like tensile strength , elasticity, toughness etc.These properties mainly depend upon intermolecular forces like van der Waal’s forces and hydrogen bonding operating in polymer molecules. Polymers have been classified on this
basis,e.g.(1) Elastomers (2) Thermoplacstics (4)Thermosetting. Hence
The molecular forces of attraction are weakest in
Chemistry: Topic-wise Test- 8 - Question 29
The utility of the polymers in various fields is due to their mechanical properties like tensile strength , elasticity, toughness etc.These properties mainly depend upon intermolecular forces like van der Waal’s forces and hydrogen bonding operating in polymer molecules. Polymers have been classified on this
basis,e.g.(1) Elastomers (2) Thermoplacstics (4)Thermosetting. Hence
Which of the following have usually a linear structure?
Chemistry: Topic-wise Test- 8 - Question 30
The utility of the polymers in various fields is due to their mechanical properties like tensile strength , elasticity, toughness etc.These properties mainly depend upon intermolecular forces like van der Waal’s forces and hydrogen bonding operating in polymer molecules. Polymers have been classified on this
basis,e.g.(1) Elastomers (2) Thermoplacstics (4)Thermosetting. Hence
Nylon-6 which is fibre is made from
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