1.

What is the colour of base?

A. Pink with phenolphthalein and yellow with methyl orange
B. Blue with phenolphthalein and yellow with methyl orange
C. Yellow with phenolphthalein and pink with methyl orange
D. Yellow with phenolphthalein and blue with methyl orange
Answer» B. Blue with phenolphthalein and yellow with methyl orange


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