Demo

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, leav...

What must happen for a natural resource to become a synthetic material?(1 point) Responses It needs to be dried out. It needs to be dried out. It needs to be pounded very thin. It needs to be pounded very thin. It needs to go through a phase change. It ne...

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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)

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 co...

50%!!!! Uhhh!

What is a polymer?(1 point) a natural resource formed on Earth from plant or animal remains a natural resource formed on Earth from plant or animal remains a natural resource used to make synthetic materials a natural resource used to make synthetic mater...

How is plastic made?(1 point) Responses Coal and natural gas are chemically broken down into small compounds that combine to form plastic. Coal and natural gas are chemically broken down into small compounds that combine to form plastic. Oil and natural g...