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Answer the english question Below by selecting the right option.

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Dynamic equilibrium describes a situation where




the concentration of
B


both forward and rev
C


reactants are conver
D

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The ion that will give a white precipitate with aqueous NaOH and soluble in excess of the base is




Mg2+
B


Zn2+ 
C


Cu2+ 
D

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Which of the following pairs of substances will react further with oxygen to form a higher oxide?




 NO and H2O
B


CO and CO2
C


 SO2 and NO
D

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