Acids and Alkalis: Part 1

The video tutorial explains the nature of acids and bases, highlighting the presence of weak acids in everyday items like tea and fizzy drinks. It discusses the dangers of strong acids, which are corrosive and require careful handling. The pH scale is introduced as a measure of acid strength, with substances below pH 7 being acidic. Bases, which can neutralize acids, are also covered, including their forms as metal oxides, hydroxides, or carbonates. The video further explains that soluble bases are called alkalis. It concludes with a demonstration of using universal indicators and litmus paper to test the acidity or alkalinity of solutions.

Explain the difference between strong acids and weak acids.

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What is the pH scale and what does it measure?

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What are bases and how do they react with acids?

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What happens to litmus paper when it is placed in an acidic solution?

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Describe the effects of strong concentrated acids and alkalis.

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