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substance that produces hydrogen ions as the positive ions when dissolved in water (aqueous solution)
hcl, hno3, h2so4
acid only exhibits their properties when dissolved in water and dissociates into ions.
sour taste
turns blue litmus paper red, turns universal indicator orange or red
pH <7
exists as solids, liquids, gaseous states
reactive metals with acids - salt + hydrogen gas (H2)
sodium & potassium- too reactive - explosive reaction
gold, copper, silver - nonreactive - no reaction of crystallization
dilute nitric acid reacts with metals - salt, water and nitrogen dioxide
lead appears not to react with dilute hydrochloric acid (hcl) and dilute sulfuric acid (H2so4)
a layer of lead (II) chloride/ sulfate is formed between lead and the dilute acid - insoluble
Carbonates + acids ->salt, water, carbon dioxide
oxides + acids -> salt, water
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