Action of an acid on an insoluble carbonate.
酸与不溶性碳酸盐作用。
Shape: light yellow powder, soluble in acid, insoluble in water.
形状：淡黄色粉末，可溶于酸，不溶于水。
Light black or black powder, water and alcohol insoluble, but acid soluble.
灰黑或黑色粉未，不溶于水、乙醇，溶于酸。
Light black or black powder, water and alcohol insoluble, but acid soluble.
灰黑或黑色粉未，不溶于水、乙醇，溶于酸。
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