Chemistry - Acids, bases and salts 0.0 / 5 ? ChemistryAcids, bases and saltsGCSEAQA Created by: baggiez_boiCreated on: 27-04-14 20:29 What do acids always have a PH of? Less than 7. 1 of 14 What are bases when dissoved in water? Alkalis 2 of 14 What bases (alkalis) always have a PH of? More than 7. 3 of 14 Complete the equation. Acid + Base = Salt +Water. 4 of 14 Stronger the acid, the what the PH number? Lower. 5 of 14 What colour do acidic solutions turn when strong and when weak? Red when strong and orange/yellow when weak. 6 of 14 What colour do alkaline solutions turn when strong and when weak? Dark blue/purple when strong and bluey green when weak. 7 of 14 The stronger the alkaline, the what the PH number? Higher. 8 of 14 What PH number do neutral solutions have and what colour do they turn? PH 7 and green. 9 of 14 What happens in neutralisation? Hydrogen formed by acids reacts with hydroxide formed by alkalis to make water. 10 of 14 Complete the equation. Acid + Metal = Salt + Hydrogen. 11 of 14 How do we predict the name of the salt produced in neutralisation? First part is the name of the base/name of the metal base and the second part is the name of the acid used. 12 of 14 What would the acid be second part when the the acid is hydrochloric, nitratic and sulphuric respectively? Chloride, nitrate and sulphate 13 of 14 What do soluble salts do? Dissolve in water. 14 of 14
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