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?(1 point)
Responses
Boil the water away, leaving the substance behind in the beaker.
Boil the water away, leaving the substance behind in the beaker.
Use a magnet to draw out the solid 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.
Pass the solution through a filter to let the dissolved substance separate.
Pour the liquid along a rough surface that would catch the solid particles but not the water.
Pass the solution through a filter to let the dissolved substance separate.
Are you sure??
I apologize for the repetitive response. To clarify, the correct answer would be:
Pass the solution through a filter to let the dissolved substance separate.
Thanks!
You're welcome! If you have any more questions, feel free to ask.
A beaker contains a mixture of sand and salt. A student adds water to dissolve the salt. Which processes can be used to separate out the sand and salt?(1 point)
There are multiple processes that can be used to separate sand and salt in this scenario. Here are a few options:
1. Filtration: Pass the mixture through a filter paper. The sand particles, being larger in size, will be retained on the filter paper while the salt will pass through as a dissolved solution.
2. Evaporation: Heat the mixture in the beaker to evaporate the water. As the water evaporates, the salt will be left behind as solid crystals while the sand remains unchanged.
3. Decantation: Allow the mixture to settle for a period of time. The sand, being denser, will settle at the bottom of the beaker. Carefully pour off the water (decanting) which will leave the sand behind in the beaker.
These are just a few of the possible methods. The choice of process will depend on the specific requirements and available equipment.
A beaker contains a mixture of sand and salt. A student adds water to dissolve the salt. Which processes can be used to separate out the sand and salt?(1 point)
Responses
filtration to collect the sand and distillation to collect the salt
filtration to collect the sand and distillation to collect the salt
distillation to collect the sand and filtration to collect the salt
distillation to collect the sand and filtration to collect the salt
filtration to collect both the sand and the salt
filtration to collect both the sand and the salt
distillation to collect both the sand and the salt
distillation to collect both the sand and the salt
The correct response is:
filtration to collect the sand and distillation to collect the salt