1.Which of the following is compound (A)? 2.Which of the following is (D)? 3.Which of the following acid is formed if (C) reacts with H2O?

Asked by amandeep singh chahal | 19th Oct, 2013, 07:13: AM

Expert Answer:

MgCO3      ?    MgO   +   CO2

    A                     B              C

 

MgO + H2O   ?   Mg(OH)2

    B  

  3Mg(OH)+6HCl   ? 3MgCl2.6H2O

                          D                    E

 

CO2 + Lime water    ? white ppt

 C

Solution:

  1. Compound A = MgCO3
  2. Compound D = HCl
  3. CO2 + H2O         H2CO3 (Carbonic acid)

Answered by Karishma Kapoor | 28th Oct, 2013, 12:20: PM

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