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Point 7 of 7 — Lesson 2 – Acids, Bases, Salts, Oxides and pH ScaleQuestion bank: 0 questions (0 with pictures)
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- All alkalis are bases, but not all bases are alkalis (only water-soluble bases are alkalis).
- The pH of acids is less than 7, neutral is 7, and alkalis is greater than 7.
- Acids turn blue litmus red; alkalis turn red litmus blue.
- Metal oxides are basic; non-metal oxides are acidic; Al2O3 and ZnO are amphoteric.
- All sodium, potassium, ammonium, and nitrate salts dissolve completely in water.
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