pH 1

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pH 2

Use the information about how to calculate pH to unlock the grid

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pH and pOH

Use the information about how to calculate pH and pOH to unlock the grid

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pH 4

Use the information about how to calculate pH, pOG and pKw to unlock the grid

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Indicators

Use your knowledge of how different indicators react with acids and alkalis to unlock the grid

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Suppporter

Gridlocks is funded as part of the Reach and Teach educational programme supported by the Wolfson Foundation.