Which statement is true about sand and baking soda? both are mixtures. both are pure substances. sand is a mixture and baking soda is a pure substance. sand is a pure substance and baking soda is a mixture.

The correct answer is Both are mixtures.

Explanation:

Sand and sodium bicarbonate are mixtures of pure substances. In the sand, we can find substances such as silica, usually in the form of quartz, ground limestone, iron, and others. Sodium bicarbonate is composed of pure substances Carbon and Sodium.

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answer; i believe the correct answer is (c) /// is a homogeneous mixture of gaseous substance nitrogen,oxygen and smaller amounts of other substancesmixtures can be either ( homogeneous or heterogeneous)plz check first good luck