Ii) Draw a labeled diagram for the heating of zinc carbonate to produce zinc oxide and gas R. In your diagram show how gas R is tested.

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution

Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness

Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water