Question
A dry mixture of kno3 and sand could be separated by
1. adding water to the mixture and filtering
2. adding water to the mixture and evaporating
3. heating the mixture to a high temperature
4. cooling the mixture to a low temperature
1. adding water to the mixture and filtering
2. adding water to the mixture and evaporating
3. heating the mixture to a high temperature
4. cooling the mixture to a low temperature
Answers
Use a little common sense here. KNO3 is soluble in water, sand isn't.
1. KNO3 is soluble in water, whilst sand isn't. Therefore, they will separate when placed in water.
Related Questions
Compare and contrast:
When you combine two or more different substances,you get a mixture.The subst...
a student tried to separate a mixture of sand and red-colored water using a suction filtration appar...
A heterogeneous mixture is a
A. mixture in which its components retain their identity.
B. com...
A mixture of water,salt, iron filings,beads and sand that must be separated