Which of the following will change when a catalyst is added to a chemical reaction?
The activation energy
The potential energy of the reactants
The heat of the reaction
the potential energy of the product
Correct answer is A
No explanation has been provided for this answer.
The commonest feature of reactions at the anode is that
electrons are consumed
oxidation is involved
ions are reduced
electrode dissolves
Correct answer is B
No explanation has been provided for this answer.
High temperature
Any temperature
Low temperature
Minimum temperature
Correct answer is A
No explanation has been provided for this answer.
A change in temperature of a saturated solution disturb the equilibrium between the
Dissolved solute and the solvent
Solvent and undissolved solute
Dissolved solute and undissolved solute
Dissolved solute and the solution
Correct answer is C
A saturated solution is one in which no more solute can be dissolved in a given amount of solvent at a specified temperature and pressure.
0.01 mol dm-3
0.10 mol dm-3
0.25 mol dm-3
0.50 mol dm-3
Correct answer is C
No explanation has been provided for this answer.