Chemistry Review Crossword Puzzle

QUESTIONS LIST:

• alkali : base that can dissolve in water
• litmus : paper or solution that turns pink with an acid
• indicator : dye that has a different colour in acids and bases
• universal : paper or solution that can turn a range of colours depending on the ph
• phenolphthalein : solution that turns pink when mixed with a base
• hydrochloric : strong acid found in the stomach
• sulfuric : strong acid found in car batteries
• acetic : weak acid found in vinegar
• ammonia : weak base found in cleaning products
• lime water : turns milky white in the presence of carbon dioxide
• metalloids : elements known as semi-metals
• reactants : listed on the left of the arrow in a chemical equation
• reactivity : a measure of how readily an element participates in reactions
• oxide : the compound formed when a substance reacts with oxygen
• corrosion : a process where a metal is damaged or weakened by a chemical reaction
• magnesium : burns with a bright white light
• combustion : chemical reaction in which a substance reacts rapidly with oxygen and gives off heat
• exothermic : chemical reaction that gives off energy (heat or light)
• endothermic : chemical reaction that requires energy to occur
• potassium : reacts vigorously with water, producing sparks and a purple-pink flame
• rusting : a form of corrosion involving iron
• electroplating : a thin layer of non-reactive chromium is placed over steel or iron
• galvanizing : iron is coated with a layer of more reactive zinc