Answer:
C) ionic compounds
Explanation:
Addition of ionic compounds, such as inorganic salts, to pure water causes the greatest increase in conductivity because these substances are strong electrolytes and completely dissociate and produce ions.
The answer is (d)
Electrons are outside the nuclues in energy levels. Protons have a positive charge, neutrons have no charge, and electrons have a negative charge. A neutral atom contains equal numbers of protons and electrons
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Answer:
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Explanation:
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<em>Phenolphthalein is often used as an indicator in acid–base titrations. For this application, it turns colorless in acidic solutions and pink in basic solutions. It belongs to the class of dyes known as phthalein dyes.</em>
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