List at least four characteristics of acids

1. Aqueous solutions of acids are electrolytes, meaning that they conduct an electrical current.

2. Acids have a sour taste.

3. Acids change the color of certain acid-base indicators.

4. Acids react with active metals to yield hydrogen gas.

Explanation:

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explanation:

the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.