GCSE Chemistry Specification

OCR B J258

Section C6.1: What useful products can be made from acids?

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#C6.1.1

recall that acids react with some metals and with carbonates and write equations predicting products from given reactants

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#C6.1.2

describe practical procedures to make salts to include appropriate use of filtration, evaporation, crystallisation and drying
PAG7

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#C6.1.3

use the formulae of common ions to deduce the formula of a compound

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#C6.1.4

recall that relative acidity and alkalinity are measured by pH including the use of universal indicator and pH meters

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#C6.1.5

use and explain the terms dilute and concentrated (amount of substance) and weak and strong (degree of ionisation) in relation to acids including differences in reactivity with metals and carbonates

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#C6.1.6

use the idea that as hydrogen ion concentration increases by a factor of ten the pH value of a solution decreases by one

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#C6.1.7

describe neutrality and relative acidity and alkalinity in terms of the effect of the concentration of hydrogen ions on the numerical value of pH (whole numbers only)

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