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Subjects
Science CBSE
Class 7
Acids, bases and salts
Textbook questions
17.
NCERT Exemplar VI
Exercise condition:
2
m.
1.
Which of the following set of substances contain acids?
Curd, milk of magnesia
Curd, vinegar
Vinegar, soap
Grapes, lime water
2.
On adding phenolphthalein indicator to a colourless solution, no change is observed. What is the nature of this solution?
Either basic or neutral
Basic
Either acidic or basic
Either acidic or neutral
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