Build a question paper in 60 seconds.

1. A
   $\frac{B_{0}v_{0}^{2}\text{ }d}{2a}$
2. B
   $\frac{B_{0}v_{0}\text{ }d}{2a}$
3. C
   $\frac{B_{0}v_{0}d^{2}}{a}$
4. D
   $\frac{B_{0}v_{0}d^{2}}{2a}$

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1. A
   $34.65\text{ }s$
2. B
   $17.32\text{ }s$
3. C
   $0.034\text{ }s$
4. D
   $15.01\text{ }s$

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1. A
   60 minutes
2. B
   20 minutes
3. C
   40 minutes
4. D
   13 minutes

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1. A
   Different frequencies and different wavelengths
2. B
   Different frequencies and same wavelengths
3. C
   Same frequencies and same wavelengths
4. D
   Same frequencies and different wavelengths

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1. A
   (A) and (C) only
2. B
   (A) only
3. C
   (A), (C) and (D) only
4. D
   (A) and (B) only

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1. A
   ${NaBH}_{4},H_{3}O^{+}$
2. B
   ${LiAlH}_{4}$
3. C
   Alkaline ${KMnO}_{4},H^{+}$
4. D
   $HCl,Zn - Hg$

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1. A
   ${Al}_{2}O_{3} \rightarrow Al$
2. B
   $ZnO \rightarrow Zn$
3. C
   ${Fe}_{2}O_{3} \rightarrow Fe$
4. D
   ${Cu}_{2}O \rightarrow Cu$

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1. A
   $X = Na;Y = Mg$
2. B
   $X = Mg;Y = F$
3. C
   $X = Mg;Y = Na$
4. D
   $X = F;Y = Mg$

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1. A
   $A = HCl;$ Anhydrous ${AlCl}_{3}$
2. B
   $A = HCl,{ZnCl}_{2}$
3. C
   $A = {Cl}_{2}$; UV light
4. D
   $A = {Cl}_{2}$; dark, Anhydrous ${AlCl}_{3}$

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1. A
   Peptide bond
2. B
   glycosidic bond
3. C
   Hydrogen bonding
4. D
   van der Waals forces

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1. A
   $x = F,Cl,Br,I$ and $y = F,Cl,Br$
2. B
   $x = F,Cl,Br$ and $y = F,Cl,Br,I$
3. C
   $x = Cl,Br,I$ and $y = F,Cl,Br,I$
4. D
   $x = F,Cl,Br,I$ and $y = F,Cl,Br,I$

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1. A
   cis-poly isoprene
2. B
   Melamine formaldehyde resin
3. C
   Urea formaldehyde resin
4. D
   Phenol and formaldehyde resin

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1. A
   Both statement I and statement II are false
2. B
   Statement I is true but statement II is false
3. C
   Statement I is false but statement II is true
4. D
   Both statement I and statement II are true

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1. A
   The six-membered rings are fused to both six and five-membered rings.
2. B
   Each carbon atom forms three sigma bonds.
3. C
   The five-membered rings are fused only to six-membered rings.
4. D
   It contains 12 six-membered rings and 24 five-membered rings.

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1. A
   (A), (B), (C) and (D)
2. B
   (A), (B) and (D) only
3. C
   (B), (C) and (D) only
4. D
   (A), (C) and (D) only

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1. A
   to remove basic impurities
2. B
   to activate ${NH}_{3}$ used in the reaction
3. C
   to remove acidic impurities
4. D
   to increase the reactivity of alkyl halide

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

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1. A
   $\left( {CH}_{3}CO \right)\overset{¨}{N}{HC}_{2}H_{5}$
2. B
   $\left( C_{2}H_{5} \right)_{3}\overset{¨}{N}$
3. C
   $\left( {CH}_{3}CO \right)_{2}\overset{¨}{N}H$
4. D
   $\left( C_{2}H_{5} \right)_{2}\overset{¨}{N}H$

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1. A
   $X$ and $Y$ are metalloids and $Z$ is a metal.
2. B
   $X$ is a metalloid, $Y$ is a non-metal and $Z$ is a metal.
3. C
   $X,Y$ and $Z$ are metals.
4. D
   $X$ and $Z$ are non-metals and $Y$ is a metalloid

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1. A
   (A)-(iii), (B)-(i), (C)-(ii), (D)-(iv)
2. B
   (A)-(i), (B)-(iv), (C)-(iii), (D)-(ii)
3. C
   (A)-(iii), (B)-(i), (C)-(iv), (D)-(ii)
4. D
   (A)-(i), (B)-(ii), (C)-(iv), (D)-(iii)

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1. A
   A colloidal solution shows colligative properties.
2. B
   An ordinary filter paper can stop the flow of colloidal particles.
3. C
   The flocculating power of ${Al}^{3 +}$ is more than that of ${Na}^{+}$.
4. D
   A colloidal solution shows Brownian motion of colloidal particles.

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1. A
   (B) $<$ (A) $<$ (C)
2. B
   (C) $<$ (A) $<$ (B)
3. C
   (A) $<$ (B) $<$ (C)
4. D
   (A) $<$ (C) $<$ (B)

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1. A
   $100\text{ }mL$ and $100\text{ }Ml$
2. B
   $100\text{ }mL$ and $50\text{ }mL$
3. C
   $100\text{ }mL$ and $200\text{ }mL$
4. D
   $50\text{ }mL$ and $50\text{ }mL$

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

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1. A
   $\sqrt{7}$
2. B
   $\frac{3}{4}$
3. C
   $\sqrt{5}$
4. D
   5

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