Give an example of a situation in which : the mean is an appropriate measure of central tendency.

Give one example of a situation in which the mean is not an appropriate measure of central tendency but the median is an appropriate measure of central tendency.

Give one example of a situations in which: The mean is not an appropriate measure of central tendency but the median is an appropriate measure of central tendency?

Give an example of a solid solution in which the solute is a gas.

Give an example of a constant which has a unit.

Give an example of a constant which has no unit.

Give an example of a combination reaction which is exothermic.

Give an example of a function which is one-one but not onto

Give an example of a metal which is the best conductor of heat.