First, they have to figure the cost of one ton of chemicals. After they have figured the cost of one ton of chemicals, they are to figure the cost of one truckload of chemicals. The student is to convert pounds and tons to metric measurements. The students can find the mean, mode, median, and range of the prices of the chemicals by the pound and tons. It is commonly used in refractory bricks to line steel making blast furnaces and glass fiber kilns.
Chromic oxide is harder than iron or titanium.
It is used in brake linings and other products that have to withstand very high temperatures. It is used as a pigment in paints, enamels, and plastics. Chrome hydrate is used in bar soaps and eye shadow. Sodium dichromate is a bright orange crystal. It is used in photographic chemicals, engraving, lithography, and pyrotechnic products.