Kaylas Quiz Quiz

Question Number 1 What is a physical change? A. cannot be reversed B. stays the same element C. new substance is formed D. A & B E. all of the above Question Number 2 An example of a Physical change is: A. Ripping paper B. Burning gas in a car C. Toasting bread D. all of the above Question Number 3 What is a chemical change? A. cannot be reversed B. stays the same element C. new substance is formed D. A & B E. all of the above Question Number 4 The Law of Conservation of Mass states that: A. in a chemical the total mass of the reactants is always equal to the mass of the products. B. in a chemical the total mass of the reactants is never equal to the mass of the products C. the volume of the reactants are equal to the mass of the products. Question Number 5 What is a single displacement reaction? A. A+B--->AD+CB B. A+B--->AB C. AB+C--->AC+B D. AB--->A+B Question Number 6 What is a double displacement reaction? A. A+B--->AD+CB B. A+B--->AB C. AB+C--->AC+B D. AB--->A+B Question Number 7 What is a synthesis reaction?. A. A+B--->AD+CB B. A+B--->AB C. AB+C--->AC+B D. AB--->A+B Question Number 8 What is a decomposition reaction?. A. A+B--->AD+CB B. A+B--->AB C. AB+C--->AC+B D. AB--->A+B Question Number 9 What is exothermic: A. absorbs energy B. releases engery C. none of the above Question Number 10 What is endothermic? A. absorbs energy B. releases energy C. none of the above Question Number 11 Acids are: A. bitter tasting, corrosive, good electrical condusctors B. bitter tasting, corrosive, contains hydrogen C. sour tasting, corrosive, good conductors D. A and B Question Number 12 What are bases? A. bitter tasting, bad conductors, react to decompose proteins B. sour tasting, good conductors, corrosive C. bitter tasting, good conductors, corrosive Question Number 13 What are two types of acids? A. binary, oxyiods B. binary, oxy C. binary, acidic Question Number 14 What is the compound name and name of the acid for HCl (aq) A. Hydrogen Chloride and hydrochloric acid B. hydrogen chloride and hydrochloric