Refining Process

What device do geologists use in the mine to detect levels of various elements, including silver, in rock faces?

• X-ray machine

• Niton gun

• Geiger counter

• Metal detector

After the ore is brought to the surface, what is the correct order of the crushing and grinding stages it undergoes?

• Primary crusher, ball mill, secondary crusher

• Primary crusher, secondary crusher, vibrating cone crushers, ball mill

• Secondary crusher, primary crusher, ball mill

• Ball mill, primary crusher, secondary crusher

What is the black powder that forms on the filter plates, composed of approximately 50% silver and 50% waste?

• Silver ore

• Silver slag

• Silver precipitate

• Silver dust

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In the metal refining process, what is the primary function of adding flux to the impure metal?

• To make the metal melt faster

• To bond with undesired matter and float to the top as slag

• To add color to the metal

• To make the metal harder