Answer:
because too much can neutralise the results
The correct answer among the choices given is the first option.The teacher most likely is talking about distillation of a mixture. Distillation is a unit operation that separates component substances from a liquid mixture which is shown by the teacher. Also, the most common purifying technique in the production of gasoline is by this process.
0.355
A cubic inch is a unit of volume. It is the size of a cube that is 1 inch on a side. It is approximately 1.1 tablespoons, or about 16.4 cubic centimeters. A liter, or litre, is a unit of volume in the metric system.
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I got a 4 out of 1. not 100 percent sure if this is the right answer but i put 1,2,1,2