Examlex
Which of the following compounds are soluble in water? PbCO3 , Fe2S3 , AgNO3, NH4OH
I II III IV
Q34: Parametric equations for the position of an
Q35: Which set of gases is listed from
Q36: Which transition in a hydrogen atom will
Q40: Which one of the following acids has
Q41: Elemental analysis of the soot produced by
Q43: What is the chemical formula for dinitrogen
Q54: Which of the following is the ground-state
Q113: Active metals often form a protective oxide
Q128: Which letter below represents the chalcogen group?
Q130: Which of the following graphs shows how