2 Points
Which of these is an example of a composite material?
A. Wood planks used as beams to support roofs
O
B. Aluminum for the outer layer of an airplane
O
c. Steel cables designed to be lightweight and strong
D. Bulletproof glass (made by combining layers of different types of
plastic and glass)
SUBMIT

Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.