IGCSE /Grade 7
Science MCQ Based On A ph scale
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IGCSE Grade 7 Science A ph scale
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see if the substance is acidic or alkaline.
Concentration of which elements ion tells us if a substance is an acid or an alkali?
Pay attention to the type of substance.
Check if a substance with Ph 10 is acidic or alkaline.
Think about the range of Ph for all the options.
check the range for acidic and alkaline solutions.
check if the colour of the universal indicator, ph level, and types of liquid are correct for the given substances.
This is used to check if a solution is acidic or aklaline.
Check if the substances are acidic or alkaline the compare their relative stronger or weaker.
what is the ph scale of neutral substances? do weakly alkaline come before or after neutrals on a Ph scale?
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