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Anonymous
ANSWERS: 4
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Calcite, an extremely abundant mineral composed of calcium carbonate (CaCO3). It can form crystals in a wide variety of shapes and colors. It can be a primary or secondary component in sedimentary, igneous, or metamorphic rocks. It often provides the cement that binds particles together in sedimentary rocks. Calcite exhibits several physical properties that make it relatively easy to identify. These properties include its tendency to react with a dilute solution of hydrochloric acid and to break into rhombohedrons. Rhombohedrons are six-sided solids that resemble cubes except that the faces meet at 60° instead of 90°. Calcite crystals and calcite-rich rocks are valuable for a variety of uses that range from components in optical instruments to cement.
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Yes it will but it will leave a residue that can be removed with a detergent.
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Hydrochloric acid also known as Muriatic acid even with 10%HCl will definitely remove calcite from sandstone. 2HCl+CaCO3(calcite)--> CaCl2+H2O+CO2(gas) In steel industries 18% Hydrochloric acid is used for the pickling of the steel. I mean to say 10% is still so strong, be care ful while handling the Hydrochloric acid.
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YES
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