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1. A
   $\beta$-1,6
2. B
   $\beta$-1,4
3. C
   $\alpha$-1,6
4. D
   $\alpha$-1,4

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1. A
   $1.733\times10^{-2}\,\text{min}^{-1}$
2. B
   $1.951\times10^{-2}\,\text{min}^{-1}$
3. C
   $1.423\times10^{-2}\,\text{min}^{-1}$
4. D
   $1.256\times10^{-2}\,\text{min}^{-1}$

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1. A
   4-Hydroxy-4-methylpentan-2-one
2. B
   2-Methylpentan-3-one
3. C
   2-Methylpent-2-en-4-one
4. D
   4-Methylpent-3-en-2-one

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1. A
   Rate $=k[\text{NO}]^{2}[\text{Cl}_{2}]$
2. B
   Rate $=k[\text{NO}][\text{Cl}_{2}]$
3. C
   Rate $=k[\text{NO}]^{2}$
4. D
   Rate $=k[\text{Cl}_{2}]$

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1. A
   0.1 m NaCl
2. B
   0.2 m KNO₃
3. C
   0.1 m Na₂SO₄
4. D
   0.05 m CaCl₂

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1. A
   1.54 atm
2. B
   2.05 atm
3. C
   6.15 atm
4. D
   3.08 atm

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1. A
   Aqua
2. B
   Sulphato
3. C
   Carbonato
4. D
   Bromo

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1. A
   One
2. B
   Two
3. C
   Three
4. D
   Four

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1. A
   Be
2. B
   Li
3. C
   Na
4. D
   B

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

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1. A
   Ethyl iodide and Phenol
2. B
   Ethyl alcohol and Phenol
3. C
   Ethyl alcohol and Iodobenzene
4. D
   Ethyl iodide and Iodobenzene

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1. A
   Urea formaldehyde resin
2. B
   Polythene
3. C
   Polystyrene
4. D
   Polyvinyls

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1. A
   Critical temperature of gas
2. B
   Surface area of adsorbent
3. C
   Temperature of process
4. D
   Pressure of gas

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1. A
   $6.82\times10^{14}\,\text{Hz}$
2. B
   $7.5\times10^{14}\,\text{Hz}$
3. C
   $4.0\times10^{14}\,\text{Hz}$
4. D
   $5.26\times10^{14}\,\text{Hz}$

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1. A
   At
2. B
   Po
3. C
   Rn
4. D
   Ar

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1. A
   K
2. B
   Al
3. C
   Mg
4. D
   Ag

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1. A
   0.0
2. B
   1.73
3. C
   2.78
4. D
   4.4

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1. A
   O
2. B
   S
3. C
   Se
4. D
   Te

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1. A
   See saw
2. B
   Bent
3. C
   Trigonal pyramidal
4. D
   T shape

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1. A
   $\text{C}_{6}\text{H}_{6}\text{Cl}_{6}$
2. B
   $\text{C}_{6}\text{Cl}_{6}$
3. C
   $\text{C}_{6}\text{H}_{5}\text{Cl}$
4. D
   $\text{C}_{6}\text{H}_{6}\text{Cl}$

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1. A
   $+52.7^{\circ}$
2. B
   $-92.4^{\circ}$
3. C
   $+66.5^{\circ}$
4. D
   $-40.3^{\circ}$

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1. A
   $\text{R-COCl}\xrightarrow{\text{H}_2/\text{Pd-BaSO}_4}\text{R-CHO}$
2. B
   $\text{R-CN}\xrightarrow{\text{SnCl}_2,\text{HCl}/\text{H}_2\text{O}}\text{R-CHO}+\text{NH}_4\text{Cl}$
3. C
   $\text{R-CHO}\xrightarrow{\text{Zn-Hg}/\text{Conc. HCl}}\text{RCH}_3$
4. D
   Other option

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1. A
   Tetraamminedibromoplatinum (IV) bromide
2. B
   Potassium trioxalatoaluminate (III)
3. C
   Pentaaquaisothiocyanatoiron (III) ion
4. D
   Pentaammineaquacobalt (III) iodide

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1. A
   $2428.9\,\text{dm}^{3}$
2. B
   $2656.9\,\text{dm}^{3}$
3. C
   $2814.9\,\text{dm}^{3}$
4. D
   $1897.8\,\text{dm}^{3}$

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1. A
   $n\,\text{MgI}$ and $n\,\text{CH}_4$
2. B
   $\frac{n}{2}\text{C}_2\text{H}_6$
3. C
   $n\,\text{CH}_3\text{OH}$ and $n\,\text{MgI}$
4. D
   $n\,\text{CH}_4$ and $n\,\text{MgI(OH)}$

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