Question 21: You Vinh conducts an experiment as follows: You use a distillation device to bring 100 ml of water to a boil, then guide the steam through the cooling system so that it condenses to form distilled water. You put distilled water into four cups, 20ml each. Next, you put in cups 1, 2, 3, 4 respectively 2, 4, 6, 8 g of salt and stir well. You notice: From the results of the above experiment, salt water is:
Through your experiment Vinh, we found that the salinity of salt water increases when the amount of salt is used more => The properties of the mixture depend on the properties and quantity of the ingredients.
The answer to choose is: EASY