1. Which of the following is an example of heterogeneous mixture that is composed of smaller rocks minerals and decayed plants and animals? A. Salad B. Sand C. Seeds D soil.
2. In the science Laboratory, the grade 6 pupils are preparing a mixture of salt and water. Which of the following statements best describes the mixture?
A. the mixture became whiter
B. to he particles of the salt settled down at the bottom
C. the salt can still be identified because salt is insoluble
D. the salt dissolved in water and appeared as one substance.
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