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Bases

These are questions based on the topic we did on bases

QuestionAnswer
What is a Base? 1)A proton acceptor 2) A substance which reacts with an aid to form a salt and water
What is a Alkali? A base which dissolves in water to form a solution containing OH- ions
What is a Strong Alkali? Fully ionized when dissolved in water e.g. KOH and NaOH
What is a Weak Alkali? Partially ionized when dissolved in water e.g. NH3
Base + Acid -----> Salt + water
Base + Ammonium-----> Salt + ammonia + water
What are Amphoteric substance? A substance which can react with both acids and alkali to form salt and water. These include the oxides and hydroxides of Zn, Al and Pb
What are acidic oxides? Oxides of certain non-metal which react with alkalis to form salt and water
What are basic oxides? Oxides of metals which react with acids to form a salt and water
What are neutral oxides? Oxides of certain non-metals which do not react with acids or alkali
How are acids and bases classified As strong or weak based on their degree of ionization when they are dissolved in water
What are two ways ph can be measured quantitatively? 1) Universal indicator(paper or solution form) 2) PH meter
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