A chemist wants to extract copper metal from copper chloride solution. The chemist places 0.25 grams of aluminum foil in a solution of 0.40 grams of copper (II) chloride. A single replacement reaction takes place. What are the likely observations when the

reaction stops?

Unbalanced equation: CuCl2 + Al - AlCl3 + Cu

A .About 0.90 grams of copper (II) is formed, and some aluminum is left in the reaction mixture

B. About 0.20 grams of copper (II) is formed, and some aluminum is left in the reaction mixture

C. About 0.90 grams of copper (II) is formed, and some copper chloride is left in the reaction mixture

D, About 0.20 grams of copper (II) is formed, and some copper chloride is left in the reaction mixture

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?

answerleaving cheese out to get moldy;

on passing the small ampere of electric current through the tube made of ar and hg of cfl generates uv rays which excites the fluorescent and thus emits the high radiation by consumption of just 5- 12 w in comparison to incandescent light which requires more power such as around 40 - 55 w to lighten.

moreover the life span of fluorescent or cfl is around 8000 h whereas the life span of incandescent is around 1200 h

hence, the building installed with incandescent lights bears more electricity bill.