IGCSE /Grade 7
Science MCQ Based On Acid and alkaline solutions using indicators
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IGCSE Grade 7 Science Acid and alkaline solutions using indicators
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Red in acid, Blue in alkali, Purple in neutral
Turns red in acid, blue in alkaline and purple in neutral.
Solution can't be changed into red and blue.
Red for acid, blue for alkaline, purple for water
Sour in taste
Turns into opposite colors.
One is acidic and another is alkaline in nature.
Dark color
Not acidic in nature
Bright in color and also change their colors.
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