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.
The density of a certain gas is 1.98gdm-3 at s.t.p. What is the molecular mas of the gas?...
The Van der waals' forces are dominant intermolecular forces in_______? ...
Which of the following is used to study the arrangement of particles in crystal lattices? ...
Consider the reaction represented by the following equation: AgNO\(_3\) + NaCl → AgC...
What is responsible for metallic bonding? ...
N2(g) + 3H2(g) ↔ 2NH3(g) ΔH = -90 kJ In the equation above, the yield of ammonia can be decrease...
3CuO(s) + 2NH3(g) → 3Cu(s) + 3H2O(I) N2(g) (i). 2NH3(g) + 3Cl2(g) → 6HCl(g) + N2(g) (ii). ...