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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Think about the range of Ph for all the options.
Check which of the options is a natural indicator.
Concentration of which elements ion tells us if a substance is an acid or an alkali?
Pay attention to the type of substance.
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.
see if the substance is acidic or alkaline.
Think about Ph scale and see if this substance is acidic or alkaline.
what is the ph scale of neutral substances? do weakly alkaline come before or after neutrals on a Ph scale?
This is used to check if a solution is acidic or aklaline.
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