Day 299: MHT-CET Chemistry

1. A.
   Group-12, Period-3
2. B.
   Group-11, Period-4
3. C.
   Group-8, Period-4
4. D.
   Group-11, Period-5

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1. A.
   $NaCl + {KNO}_{3} \longrightarrow {NaNO}_{3} + KCl$
2. B.
   $Mg(OH)_{2} + 2{NH}_{4}Cl \longrightarrow {MgCl}_{2} + 2{NH}_{4}OH$
3. C.
   $\ {CaC}_{2}O_{4} + 2HCl \longrightarrow {CaCl}_{2} + H_{2}C_{2}O_{4}$
4. D.
   $Zn + 2AgCN \longrightarrow 2Ag + Zn(CN)_{2}$

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1. A.
   14
2. B.
   10
3. C.
   04
4. D.
   06

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1. A.
   ${}^{12}_6\text{C}$; ${}^{14}_6\text{C}$
2. B.
   ${}^{12}_6\text{C}$; ${}^{11}_5\text{B}$
3. C.
   ${}^{14}_6\text{C}$; ${}^{14}_7\text{N}$
4. D.
   ${}^{13}_6\text{C}$; ${}^{11}_5\text{B}$

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1. A.
   Aqua
2. B.
   Ammine
3. C.
   Iodo
4. D.
   Nitro

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