Maria made a mistake in the analysis of her results. Which of the following conclusions is incorrect? A chemical change occurred in mixture (a) because there was a production of light. A chemical change occurred in mixture (d) because there was a color change. A chemical change occurred in mixture (e) because there was a production of a precipitate. A chemical change occurred in mixture (f) because there was a production of a gas.

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.

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false