Safety matches contain sulphur and?
Safety matches contain sulphur and? A. potassium trioxochlorate (V) B. potassium trioxonitrate (V) C. charcoal D. phosphorus sulphide…
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Addition of an aqueous solution of a salt gives a white precipitate. The salt is…
Addition of an aqueous solution of a salt gives a white precipitate. The salt is likely to be…
The gas formed when ammonium trioxonitrate (V) is heated with sodium hydroxide is?
The gas formed when ammonium trioxonitrate (V) is heated with sodium hydroxide is? A. hydrogen B. nitrogen (IV)…
Which of these statements is TRUE about carbon (IV) oxide?
Which of these statements is TRUE about carbon (IV) oxide? A. it supports combustion B. It is strongly…
Which of the following combination of gases is used for metal welding? i. Oxygen and…
Which of the following combination of gases is used for metal welding? i. Oxygen and ethyne, ii. Hydrogen…
Which of the following equilibria shows little or no net reaction when the volume of…
Which of the following equilibria shows little or no net reaction when the volume of the system is…
For a general equation of the nature xP + yQ ≈ mR + nS, the…
For a general equation of the nature xP + yQ ≈ mR + nS, the expression for the…
MnO2 + 2CI- + 4H+ → MnO2+ + CI2 + 2H2O. The changes is oxidation…
MnO2 + 2CI– + 4H+ → MnO2+ + CI2 + 2H2O. The changes is oxidation numbers when the…
In what way is equilibrium constant for the forward reaction related to that of the…
In what way is equilibrium constant for the forward reaction related to that of the reversed reaction? A.…
Calculate the mass, in kilograms, of magnesium produced by the electrolysis of magnesium (II) chloride…
Calculate the mass, in kilograms, of magnesium produced by the electrolysis of magnesium (II) chloride in a cell…