Acids are substances which ____ hydrogen ions into a solution. They taste ____ and are ____.Bases are substances which ____ up hydrogen ions from a solution. They taste ____, feel ____ and are ____. The ____ of acids and bases is measured by the ____ scale. A score of ____ seven indicates that a substance is acidic, and a score ____ seven indicates that it is basic. A score of seven shows the substance is ____. This may be shown by using ____ such as ____ paper, which turns ____ in the presence of acids and ____ in the presence of bases, and ____ indicator, which shows a ____ of colours depending on the pH. Acids react with bases (containing oxide or ____) to form salt and ____. This is also known as a ____ reaction because the ____ of the resulting solution is restored to neutral. Acids react with ____ to form salt and ____ gas. The presence of this gas is confirmed by the ____ test, where a lighted ____ placed near the gas emits a ____ pop and goes ____. Acids react with ____ (containing carbonate, ____ or hydrogen carbonate) to form salt, water and ____ ____. The presence of this gas is confirmed by the ____ test, where the gas is ____ through ____ hydroxide. If the solution turns ____, the test is positive. Calcium ____ + hydrochloric acid -> water + calcium chloride.Lithium + ____ acid -> hydrogen gas + lithium nitrate. Sodium carbonate + hydrochloric acid -> sodium ____ + carbon dioxide + water. Iron oxide + ____ acid -> iron phosphate + water. Magnesium + sulfuric acid -> magnesium sulfate + ____ gas. Copper hydrogen carbonate + hydrochloric acid -> ____ dioxide + water + copper chloride. Sodium + sulfuric acid -> ____ sulfate + hydrogen gas. Lead hydroxide + nitric acid -> lead ____ + water. Magnesium carbonate + phosphoric acid -> magnesium phosphate + carbon ____ + water. Lithium oxide + hydrochloric acid -> lithium chloride + ____. Aluminium + sulfuric acid -> aluminium ____ + hydrogen gas. Zinc bicarbonate + citric acid -> zinc ____ + carbon dioxide + water.

Acids, Bases and Acid Reactions

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