Question 2(multiple choice worth 4 points) (08.04 mc) read the given equation: ca(oh)2 + 2hcl → cacl2 + 2h2o which of the following is true about the equation? ca(oh)2 is the base and cacl2 is the salt. ca(oh)2 is the acid and cacl2 is the salt. hcl is the acid and ca(oh)2 is the salt. hcl is the base and ca(oh)2 is the salt.

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy