The correct conditions for measuring reduction potentials (the tendency to acquire electrons and become reduced), is 25C and 1M (or 1 mole/litre) for reactants - ANSWER B.
The mixture is a suspension.
The answer is c.
conserves electricity
Adding substance to a liquid disturbs the lattice in which the liquid settles into to become a solid. To overcome this disturbance, a lower temperature is required. The answer is A, where the prevalence of NaCl is higher than all the others. This means that this compound is present more frequently to affect the lattice more than the others, requiring a much lower freezing temperature.
C. 4 decorated cupcakes.
Because 12 divided by 3 = 4, so you can have 4 cupcakes each with 3 cherries