NEET Chemistry PYQ 2026: Chapter-wise Questions & Solutions

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Topic Question Set

Q 1 :

Which statement regarding polymers is not correct? [2022]

Thermosetting polymers are reusable.
Elastomers have polymer chains held together by weak intermolecular forces.
Fibers possess high tensile strength.
Thermoplastic polymers are capable of repeatedly softening and hardening on heating and cooling respectively.

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Q 2 :

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A): In a particular point defect, an ionic solid is electrically neutral, even if few of its cations are missing from its unit cells.

Reason (R): In an ionic solid, Frenkel defect arises due to dislocation of cation from its lattice site to interstitial site, maintaining overall electrical neutrality.

In the light of the above statements, choose the most appropriate answer from the options given below: [2022]

(A) is not correct but (R) is correct
Both (A) and (R) are correct and (R) is the correct explanation of (A)
Both (A) and (R) are correct but (R) is not the correct explanation of (A)
(A) is correct but (R) is not correct

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Q 3 :

Match List-I with List-II.

List-I List-II

(a) Li (i) absorbent for carbon dioxide

(b) Na (ii) electrochemical cells

(c) KOH (iii) coolant in fast breeder reactors

(d) Cs (iv) photoelectric cell

Choose the correct answer from the options given below: [2022]

(a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)
(a)-(iv), (b)-(i), (c)-(iii), (d)-(ii)
(a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
(a)-(i), (b)-(iii), (c)-(iv), (d)-(ii)

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Q 4 :

Match List – I with List – II

List – I (Hydrides) List – II (Nature)

$(a) M g H ₂$ (i) Electron precise

$(b) G e H ₄$ (ii) Electron-deficient

$(c) B ₂ H ₆$ (iii) Electron rich

(d) HF (iv) Ionic

Choose the correct answer from the options given below: [2022]

(a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
(a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
(a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)
(a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)

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Q 5 :

Match List – I with List – II

List – I (Drug class) List – II (Drug molecule)

(a) Antacids (i) Salvarsan

(b) Antihistamines (ii) Morphine

(c) Analgesics (iii) Cimetidine

(d) Antimicrobials (iv) Seldane

Choose the correct answer from the options given below: [2022]

(a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
(a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)
(a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
(a)-(i), (b)-(iv), (c)-(ii), (d)-(iii)

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Q 6 :

Which one is not correct mathematical equation for Dalton’s Law of partial pressure? Here p = total pressure of gaseous mixture [2022]

$p_{i} = x_{i} p_{i}^{0}$ , where $x_{i}$ = mole fraction of $i^{t h}$ gas in gaseous mixture
$p_{i}^{0}$ = pressure of $i^{t h}$ gas in pure state
$p = p_{1} + p_{2} + p_{3}$
$p = \frac{n_{1} R T}{V} + \frac{n_{2} R T}{V} + \frac{n_{3} R T}{V}$
$p_{i} = x_{i} p$ , where $p_{i}$ = partial pressure of $i^{t h}$ gas
$x_{i}$ = mole fraction of $i^{t h}$ gas in gaseous mixture

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Q 7 :

Identify the incorrect statement from the following: [2022]

Lithium is the strongest reducing agent among the alkali metals.
Alkali metals react with water to form their hydroxides.
The oxidation number of K in $K O ₂$ is +4.
Ionisation enthalpy of alkali metals decreases from top to bottom in the group.

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Q 8 :

Match List-I with List-II.

List-I (Ores) List-II (Composition)

(a) Haematite $(i) F e ₃ O ₄$

(b) Magnetite $(i i) Z n C O ₃$

(c) Calamine $(i i i) F e ₂ O ₃$

(d) Kaolinite $(i v) [A l ₂ (O H) ₄ S i ₂ O ₅]$

Choose the correct answer from the options given below: [2022]

(a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)
(a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
(a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)
(a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)

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Q 9 :

Copper crystallises in fcc unit cell with cell edge length of $3.608 \times 10^{- 8} c m$ . The density of copper is $38.92 {g cm}^{- 3}$ . Calculate the atomic mass of copper. [2022]

65 u
63.1 u
31.55 u
60 u

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Q 10 :

The pollution due to oxides of sulphur gets enhanced due to the presence of:

(a) particulate matter
(b) ozone
(c) hydrocarbons
(d) hydrogen peroxide

Choose the most appropriate answer from the options given below: [2022]

(a), (c), (d) only
(a), (d) only
(a), (b), (d) only
(b), (c), (d) only

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