Acids, Bases and Salts_Proticity, Strength, pH and indicators

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What is the pH of a 1.0 x 10^-4 mol dm^-3 NaOH solution?

Strength of acid affects __.

What is the pH of a 1.0 x 10^-4 mol dm^-3 HCl solution?

Which method allows us to distinguish between a strong and weak acid?

What's the proticity of sulfuric acid?

What is the colour of the solution when Universal indicator is added to a weak acid?

What is the colour of the solution when Universal indicator is added to pure water at 25 deg cel?

Which is a strong acid?