Question

Drop a crystal of copper sulphate or
potassium permanganate into a glass
of hot water and another containing
cold water. Do not stir the solution.
Allow the crystals to settle at the
bottom.
• What do you observe just above the
solid crystal in the glass?
• What happens as time passes?
• What does this suggest about the
particles of solid and liquid?
• Does the rate of mixing change with
temperature? Why and how?

Answer 1

Answer:

pottasium permagnate starts dissolving in hot water and as time passes the solution starts changing its color . yes the rate of mixing change with temperature because as temp. increases rate of dissolution of particles increases Explanation = in hot water molecules are losely packed but in cold water molecules are stir and not in motion whereas in hot water particles re randomly in motion

Answer 2

Answer:

answer is attached here