Why is photosynthesis considered an endothermic reaction?
Important Questions on Chemical Reactions and Equations
A solution made in water
How will you indicate the following effect in a chemical equation?
Exothermic reaction
How will you indicate the following effect in a chemical equation?
Endothermic reaction
Hydrogen sulphide gas burns in air to give water and sulphur dioxide.
Translate the following statement into chemical equations and then balance the equation:
Phosphorus burns in oxygen to give phosphorus pentoxide.
Translate the following statement into chemical equations and then balance the equation:
Carbon disulphide burns in air to give carbon dioxide and sulphur dioxide.
Translate the following statement into chemical equations and then balance the equation:
Aluminium metal replaces iron from ferric oxide, Fe2O3 giving aluminium oxide and iron.
Translate the following statement into chemical equations and then balance the equation:
Barium chloride reacts with zinc sulphate to give zinc chloride and barium sulphate.
