Bases

Subject: Science

Overview

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Things to remember
  • A base is defined as any substance which releases hydroxyl ions (OH-) when dissolved in water. Sodium hydroxide and ammonia are bases because they give hydroxyl ions in water.
  • Bases which are soluble in water are called alkalies.
  • All alkalies are bases but all bases are not alkalies.
  • Physical properties of bases include its soapy touch, bitter taste etc.

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