Question

name _____________ class ___________ date _____________
reinforcement continued

1. use colored pencils to sketch and label the position of the liquid layers in the tank on the diagram shown below.
2. now that you know where the red chemical is inside the tank, how would you remove it?

Explanation:

To remove the red chemical, we consider the principle of liquid layers (like density - if red chemical is in a layer, say the bottom, use the tap at the bottom to drain the layer containing it. If it's a top layer, maybe siphoning or decanting. Assuming the red chemical is in a lower layer (common in such setups with a bottom tap), open the tap at the bottom of the tank to drain the liquid layer that contains the red chemical. We can also consider factors like the miscibility and density of the red chemical with other liquids. If it's denser and forms a separate bottom layer, draining from the bottom tap (as the tap is at the bottom) will let out the red chemical - containing layer.

Answer:

If the red chemical is in a liquid layer at the bottom (or a lower layer) of the tank, open the tap at the bottom of the tank to drain the liquid layer that contains the red chemical. (The approach can vary based on the red chemical's density, miscibility, and its layer's position; this is a common practical method for layered liquids in a tank with a bottom tap.)