Biology, 17.07.2019 13:30 XxpinkgothicxX
Which of these is not a mixture? a) baking soda b) salt and water c) iron filings and sand d) metal paper clips and plastic paper clips
Answers: 1
.In a mixture there are no fixed proportions of the substances involved and the substances keep their physical properties and with most mixtures the substance can be separated from each other mechanically.However a mixture of salt and water is known as a homogeneous mixture meaning the salt can no longer be seen separate in the solution but uniformly dissolves in the water. 
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Which of these is not a mixture? a) baking soda b) salt and water c) iron filings and sand d) metal...
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