Characteristics of Acids Bases & Salts Multiple Choice Questions and Answers 23 PDF Book Download
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Learn high school chemistry multiple choice questions (MCQs): what is ph at which phenolphthalein changes colour, with choices 7, 5.5, 9, and 10 for online school degrees. Free chemistry study guide for online learning self ionization of water ph scale quiz questions to attempt multiple choice questions based test.
MCQ on Characteristics of Acids Bases & Salts Worksheets 23 PDF Book Download
MCQ: What is effect of base on blue litmus paper?
- It remains blue
- It turns pink
- It turns red
- It becomes colourless
MCQ: What is pH at which Phenolphthalein changes colour?
MCQ: Secretion of too much acid in stomach causes
MCQ: What happens to solution when pH is greater than 7?
- It becomes acidic
- It becomes basic
- It becomes neutral
- It becomes amphoteric
MCQ: What is effect of acid on skin?
- No effect
- Causes skin cancer
- Causes harm to skin tissue