A white solid suspected to be lead trioxonitrate (V) zinc...
A white solid suspected to be lead trioxonitrate (V) zinc trioxocarbonate (IV) or calcium trioxocabonate (IV) was heated strongly. Its residue which was yellow when hot and white when cold is?
lead (II) oxide
calcium oxide
zinc oxide
lead nitrate
Correct answer is C
No explanation has been provided for this answer.
What is the atomic number of Bohrium? ...
Which of the following statements about a molar solution is correct? it ...
MnO-4 + 8H+ + ne → Mn++ + 4H2O. Which is the value of n in the reaction above?...
Which of the following chloride would exhibit the least ionic character? ...
A difference between chemical and physical change is that in a chemical change ...
Which of the following is an example of an endothermic reaction? ...
The size (diameter) of five elements are in the order R < T < W < X < Y, Y being the lar...
What is the volume of oxygen required to burn complete 45 cm3 of methane at s.t.p? ...