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1. A
   Lactose
2. B
   Raffinose
3. C
   Amylose
4. D
   Stachyose

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1. A
   $1 \times 10^{-5}$
2. B
   $1.5 \times 10^{-5}$
3. C
   $2.0 \times 10^{-5}$
4. D
   $3.0 \times 10^{-5}$

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1. A
   $\text{C}_6\text{H}_5\text{NHC}_2\text{H}_5$
2. B
   $(\text{C}_2\text{H}_5)_3\text{N}$
3. C
   $(\text{CH}_3)_3\text{N}$
4. D
   $\text{C}_6\text{H}_5\text{N(CH}_3)_2$

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1. A
   $\text{Pb(s)}$ is reduced
2. B
   $\text{H}_2\text{SO}_4$ is consumed
3. C
   $\text{PbSO}_4$ is consumed
4. D
   $\text{PbO}_2$ is produced

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1. A
   The boiling point of a solution containing non-volatile solute is always higher than pure solvent.
2. B
   Two solutions having the same osmotic pressure at the same temperature are called isotonic solutions.
3. C
   The osmotic pressure of a solution is given by the equation $\pi = MRT$.
4. D
   The relative lowering of vapour pressure is equal to the mole fraction of the solvent.

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1. A
   $52.4\%$
2. B
   $68\%$
3. C
   $74\%$
4. D
   $26\%$

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1. A
   $9.1 \times 10^{-3}\,\text{M}$
2. B
   $7.5 \times 10^{-3}\,\text{M}$
3. C
   $4.5 \times 10^{-3}\,\text{M}$
4. D
   $6.0 \times 10^{-3}\,\text{M}$

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1. A
   Resorcinol
2. B
   Quinol
3. C
   Phloroglucinol
4. D
   Pyrogallol

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1. A
   $\text{Cl}^-$
2. B
   $\text{NH}_3$
3. C
   $\text{NH}_4^+$
4. D
   $\text{HCl}$

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1. A
   $-19,962\,\text{J}$
2. B
   $-20,265\,\text{J}$
3. C
   $302.6\,\text{J}$
4. D
   $20,265\,\text{J}$

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1. A
   60 g
2. B
   74 g
3. C
   46 g
4. D
   88 g

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1. A
   35
2. B
   36
3. C
   33
4. D
   29

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1. A
   Crystalline solid
2. B
   Amorphous solid (metallic glass)
3. C
   Ionic solid
4. D
   Molecular solid

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1. A
   $sp^2$, trigonal planar
2. B
   $sp^3$, tetrahedral
3. C
   $sp$, linear
4. D
   $sp^3d$, trigonal bipyramidal

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

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1. A
   2-methoxy-1,1-dimethylcyclobutane
2. B
   1-methoxy-2,2-dimethylcyclobutane
3. C
   methoxydimethylcyclobutane
4. D
   1,1-dimethyl-2-methoxycyclobutane

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1. A
   $\Delta H = \Delta U + P\Delta V$
2. B
   $\Delta H = \Delta U$
3. C
   $\Delta H > \Delta U$
4. D
   $\Delta H < \Delta U$

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1. A
   Nano wires
2. B
   Microcapsules, quantum dots, and nano rings
3. C
   Nano tubes
4. D
   Nano films

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1. A
   3-bromo-4-methylhex-3-ene
2. B
   4-bromo-3-methylhex-3-ene
3. C
   3-bromo-4-methylhexene
4. D
   2-bromo-3-methylhex-3-ene

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1. A
   $190\,\text{pm}$
2. B
   $380\,\text{pm}$
3. C
   $95\,\text{pm}$
4. D
   $269\,\text{pm}$

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1. A
   Liquid dispersed in solid (gel)
2. B
   Solid dispersed in liquid (sol)
3. C
   Gas dispersed in liquid (foam)
4. D
   Solid dispersed in gas (aerosol)

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1. A
   $3.0 \times 10^2\,\text{mol}$
2. B
   $3.0 \times 10^3\,\text{mol}$
3. C
   $4.5 \times 10^{22}\,\text{mol}$
4. D
   $6.0 \times 10^{22}\,\text{mol}$

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1. A
   $-125\,\text{kJ}$
2. B
   $125\,\text{kJ}$
3. C
   $-250\,\text{kJ}$
4. D
   $250\,\text{kJ}$

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1. A
   $\text{R-CHO} \xrightarrow{\text{LiAlH}_4} \text{R-CH}_2\text{OH}$
2. B
   $\text{R-CN} \xrightarrow{\text{SnCl}_2/\text{HCl}} \text{R-CHO} + \text{NH}_4\text{Cl}$
3. C
   $\text{R-CHO} \xrightarrow{\text{Zn-Hg/conc. HCl}} \text{R-CH}_3 + \text{H}_2\text{O}$
4. D
   $\text{R-CO-R} \xrightarrow{\text{H}_2\text{N-NH}_2/\text{KOH}} \text{R-CH}_2\text{-R}$

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1. A
   $\text{MnO}_2$
2. B
   Mo/Fe
3. C
   Co-Th
4. D
   Fe-Cr

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