Write true or false for each statement. Rewrite the false statements correctly. 1. All pure substances have characteristic
Write true or false for each statement. Rewrite the false statements correctly.
1. All pure substances have characteristic melting and boiling points.
2. Milk is an emulsion.
3. A heterogeneous mixture has a uniform composition throughout the mixture.
4. The constituents of a mixture can only be separated by chemical means.
5. Handpicking can be used as a separation technique if the particle size of the constituents of the mixture is the same.
1 Answers
1.True
2.True
3.False.
Correct: A heterogeneous mixture has a non-uniform composition through the mixture.
4.False.
Correct: The constituents of a mixture can be separated by chemical means and physical means.
5. False.
Correct: Handpicking can be used as a separation technique if the particle size of the constituents of the mixture is the not the same.