Acids and Alkalis 0.0 / 5 ? ScienceAcids and alkalisGCSEAll boards Created by: DkorCreated on: 05-05-18 10:42 Acids can be dilute or... Concentrate 1 of 35 What is the symbol for hydrochloric acid? HCl 2 of 35 What is the symbol for sulphuric acid? H2SO4 3 of 35 What is the symbol for nitric acid? HNO3 4 of 35 Bases are the opposites of... Acids 5 of 35 A base which dissolves in water is called ....... An alkali 6 of 35 What do all acids contain? Hydrogen 7 of 35 What is the symbol for sodium hydroxide? NaOH 8 of 35 What is the symbol for potassium hydroxide? KOH 9 of 35 What is the symbol for calcium hydroxide? CaCOH2 10 of 35 What do all bases contain? A hydroxide (OH) group 11 of 35 What are indicators? Substances which change colour in acids or alkalis 12 of 35 In general when a universal indicator is added what colour do acids turn? Red/Orange 13 of 35 Name a strong acid Hydrochloric acid 14 of 35 Name a weak acid Citric acid 15 of 35 What do we use to measure the strength of an acid? The pH scale 16 of 35 What occurs when you mix an alkali and an acid? A chemical reaction 17 of 35 What is made in all chemical reactions? A new substance 18 of 35 What is a chemical reaction between acids and alkalis called? A neutralisation reaction 19 of 35 Acid + metal hydroxide -----> Water + metal salt 20 of 35 In a reaction formula what are the things on the left side of the arrow called? Reactants 21 of 35 In a reaction formula what are the things on the right side of the arrow called? Products 22 of 35 In a reaction formula what does the arrow mean? React to form 23 of 35 Sulphuric acid + magnesium hydroxide -----> Water + magnesium sulphate 24 of 35 Hydrochloric acid + calcium hydroxide -----> Water + Calcium chloride 25 of 35 Nitric acid + potassium hydroxide -----> Water + Potassium nitrate 26 of 35 Ethanoic acid + calcium hydroxide -----> Water + calcium ethanoate 27 of 35 Metal + acid -----> Metal salt + hydrogen 28 of 35 In the reaction Metal + acid -----> Metal salt + hydrogen what will the hydrogen produced be? A gas 29 of 35 Magnesium + sulphuric acid -----> Magnesium Sulphate + hydrogen 30 of 35 Magnesium + nitric acid -----> Magnesium Nitrate + hydrogen 31 of 35 Metal carbonate + acid -----> Water + carbon dioxide + metal salt 32 of 35 Sodium carbonate + hydrochloric acid -----> Water + carbon dioxide + sodium chloride 33 of 35 calcium carbonate + nitric acid -----> Water + carbon dioxide + calcium nitrate 34 of 35 magnesium carbonate + sulphuric acid -----> Water + carbon dioxide + magnesium sulphate 35 of 35
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