Day 449: MHT-CET Chemistry

1. A.
   Sulphanilic acid
2. B.
   Sulphonic acid
3. C.
   Benzene sulphonic acid
4. D.
   Amino benzoic acid

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1. A.
   HCl
2. B.
   H$_3$PO$_2$/H$_2$O
3. C.
   H$_2$O/HCl
4. D.
   CH$_3$CH$_2$OH

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1. A.
   Phosphate group
2. B.
   Sugar backbone
3. C.
   Sequence of nitrogenous bases
4. D.
   Hydrogen bonds

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1. A.
   Zero kJ
2. B.
   20 kJ
3. C.
   100 kJ
4. D.
   150 kJ

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1. A.
   MgO only
2. B.
   ${Mg}_{3}{\text{ }N}_{2}$ only
3. C.
   ${Mg}_{2}{NO}_{3}$
4. D.
   MgO and ${Mg}_{3}{\text{ }N}_{2}$

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