A student was provided with 4 sample solution in a test tube a,b,c and d with known pH 4,7,10 and 14 respectively a teacher ask them to observe the colour of each sample solution using pH paper he recorded the observations
a- orange
b- green
c- yellow
d- deep blue
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a-acidic.
b-neutral.
c-basic.
d-highly basic.
b-neutral.
c-basic.
d-highly basic.
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Answer:
deep blue'
Explanation:
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