Which of the following indicates a catalyst is used to alter a chemical equation? (3 points)
A.
chemical formula written over an →
B.
↓↑
C.
Δ written under an →
D.
chemical formula written under an →

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.

How many moles of al3+ ions are in 1.25 moles of al2o3

Word equation for k(s) +h2o(l) yield koh (aq) + h2