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consider the following chemical compounds: MnO2,NaHCO3,Na2CO3 NH4CL and Pb ( NO3)2. Which of them has black color, is a basic oxide, sublime on heating, dissolves in water to give a solution of pH less than 7.
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consider the following chemical compounds: MnO2,NaHCO3,Na2CO3 NH4CL and Pb ( NO3)2. Which of them ha...
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