ACIDS & METALS

==Acid - Metal Reactions== [image:http://i.imgur.com/e1e2YOB.gif] Acids will react with metals to produce a salt and hydrogen gas. Acid + Metal → Salt + Hydrogen For example... Magnesium + Hydrochloric Acid → Magnesium Chloride + Hydrogen Gas Zinc + Sulphuric Acid → Zinc Sulphate + Hydrogen Gas Copper + Nitric Acid → Copper Nitrate + Hydrogen Gas ==Test for hydrogen gas== To test whether a gas is hydrogen or not, collect it in a test tube by lacing your thumb over the neck. The gas can then be ignited. Hydrogen burns with a squeaky pop. This is sometimes called the 'pop test'. [image:http://i.imgur.com/JpUfT8c.gif]