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1. A
   Neoprene
2. B
   Terylene
3. C
   Polystyrene
4. D
   Bakelite

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1. A
   122.5 g
2. B
   81.67 g
3. C
   10.25 g
4. D
   8.16 g

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1. A
   3n
2. B
   0
3. C
   2n
4. D
   n

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1. A
   $2.8$ g cm⁻³
2. B
   $2.1$ g cm⁻³
3. C
   $3.5$ g cm⁻³
4. D
   $4.1$ g cm⁻³

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1. A
   At
2. B
   Zn
3. C
   As
4. D
   Te

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1. A
   $CaSO_4 \cdot 2H_2O$
2. B
   $PbS$
3. C
   $ZnS$
4. D
   $BaSO_4$

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1. A
   Valeric acid
2. B
   Caproic acid
3. C
   Glutaric acid
4. D
   Butyric acid

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1. A
   Chlorobenzene
2. B
   Benzyl alcohol
3. C
   Benzenediazonium chloride
4. D
   Phenol

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1. A
   Cyclohexylamine
2. B
   Allylamine
3. C
   Trimethylamine
4. D
   Diphenylamine

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1. A
   NH₄Cl
2. B
   NH₄NO₃
3. C
   CuSO₄
4. D
   Na₂SO₄

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1. A
   ionic solid
2. B
   covalent network solid
3. C
   molecular solid
4. D
   metallic solid

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1. A
   $5.6 \times 10^{-3}$ min⁻¹
2. B
   $4.5 \times 10^{-3}$ min⁻¹
3. C
   $6.5 \times 10^{-3}$ min⁻¹
4. D
   $9.69 \times 10^{-3}$ min⁻¹

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1. A
   $0.25$ mol dm⁻³ s⁻¹
2. B
   $0.5$ mol dm⁻³ s⁻¹
3. C
   $0.75$ mol dm⁻³ s⁻¹
4. D
   $1.25$ mol dm⁻³ s⁻¹

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1. A
   Ba
2. B
   Sr
3. C
   Ra
4. D
   Ru

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1. A
   1:1
2. B
   1:2
3. C
   2:1
4. D
   1:4

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1. A
   Benzene
2. B
   Benzyl alcohol
3. C
   Benzaldehyde
4. D
   Chlorobenzene

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1. A
   H₂
2. B
   N₂
3. C
   Cl₂
4. D
   O₂

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1. A
   Monodentate
2. B
   Bidentate
3. C
   Tetradentate
4. D
   Hexadentate

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1. A
   $6.0 \times 10^{-5}$ Ω⁻¹ cm⁻¹
2. B
   $3.0 \times 10^{-5}$ Ω⁻¹ cm⁻¹
3. C
   $9.0 \times 10^{-5}$ Ω⁻¹ cm⁻¹
4. D
   $12 \times 10^{-5}$ Ω⁻¹ cm⁻¹

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1. A
   210 J
2. B
   90 J
3. C
   450 J
4. D
   -300 J

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1. A
   Benzene-1,2-diol
2. B
   Benzene-1,3-diol
3. C
   Benzene-1,4-diol
4. D
   Benzene-1,3,5-triol

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1. A
   $TiO_2$
2. B
   Pd
3. C
   Pt
4. D
   Au

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1. A
   Allylic alcohol
2. B
   Benzylic alcohol
3. C
   Vinylic alcohol
4. D
   Polyhydric alcohol

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1. A
   2
2. B
   3
3. C
   4
4. D
   5

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1. A
   1.45
2. B
   1.26
3. C
   1.82
4. D
   3.00

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