Which actions would increase the rate at salt dissolves in water□ stir the water□ crush the salt□ use less water□ heat the water□cool the salt

Answer : The correct options are, stir the water, crush the salt and heat the water.

Explanation :

As we know that the increase or decrease of the rate depends on many factors which are, temperature, surface area, etc.

Stir the water : By this action the rate increases because when we are stirring the water, the some amount of energy is released that means the temperature of the solution increases. Thus the salt dissolves easily in water by stirring.

Crush the salt : By this action the rate increases because the surface area of solute (salt) increased by the crushing. So, the salt will be dissolved easily in water.

Heat the water : By this action the rate increases because when we are heating the water the temperature of the water increases. As the temperature increases, some empty voids created in the water molecule. Thus, the more salt will be dissolved in water.

But by the use of less water and cool the salt action, the rate decreases.

Hence, the correct options are, stir the water, crush the salt and heat the water.

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