You are worried that a solid substance has dissolved in a beaker of water in a lab. What would be a way to separate the substance from the water?
Use a magnet to draw out the solid substance from the water.
Pass the solution through a filter to let the dissolved substance separate.
Boil the water away, leaving the substance behind in the beaker.
Pour the liquid along a rough surface that would catch the solid particles but not the water.
i need help plzz
Why not boil away the water and leave the solid?
I really need the answerðŸ˜ðŸ˜ðŸ˜ðŸ˜
DrBob222 thanks :0
thx
first 2023 comment
Sure, I can help you!
To separate a solid substance from water, you have the following options:
1. Use a magnet: If the solid substance is magnetic (contains iron or other magnetic elements), you can use a magnet to attract and draw out the solid particles. This works if the substance is attracted to magnets and is not dissolved in water.
2. Filter the solution: If the solid substance is insoluble in water or has a larger particle size, you can pass the solution through a filter. The filter will allow the water to pass through while capturing the solid particles. This method is effective when the substance forms solid particles or is too large to dissolve in water.
3. Evaporate the water: If the solid substance is not volatile (does not evaporate easily), you can boil the water away. This process will cause the water to evaporate, leaving the solid substance behind in the beaker. Be cautious when using this method, as some substances may decompose or change properties at high temperatures.
4. Use a rough surface: If the solid substance has different properties (e.g., size, texture) compared to the water, another method is to pour the liquid along a rough surface that would catch the solid particles but not the water. This technique is useful when the solid substance has different physical properties from the water, such as density or particle size.
It's important to assess the properties of the solid substance and consider its solubility, magnetism, particle size, and volatility to choose the most appropriate method of separation.
I hope this helps!