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What the different between acid and base?
Acids are substances that donate protons, while bases are substances that accept protons. Acids typically have a sour taste, while bases have a bitter taste. Acids turn blue litmus paper red, while bases turn red litmus paper blue.
What colour will blue litmas paper turn when dipped in lemon juice?
It will become red !
What colour does alkali turn in litmas paper?
Alkalis turn litmus paper blue. Litmus paper is used as an indicator to determine whether a substance is acidic or alkaline based on the color change it undergoes.
What are the affects of acid on copper?
A sizzling colour change!
What colour dous it change to during the reaction?
what colour change occurs during the calcium and hydrochloric acid reaction
What colour does starch change to when put in acid?
It's insoluble so it doesn't change into any color, however, the chemical changes into modified starch
What colour does a universal indicator change to when it is mixed with an acid?
red
What colour is made by mixing bromothymol blue and sulphuric acid?
Mixing bromothymol blue and sulfuric acid would not result in a colour change, as sulfuric acid is a strong acid and bromothymol blue is a pH indicator that changes colour based on the acidity or alkalinity of a solution.
How do you tell the pH of an acid or alkali?
You can determine the pH of an acid or alkali by using a pH indicator paper or probe. The pH scale ranges from 0 to 14, with lower numbers indicating acids (0-6), 7 being neutral, and higher numbers indicating alkalis (8-14). The color change on the indicator paper or the pH reading on the probe will indicate whether the substance is an acid or alkali.
What colour does methyl VIOLET change into when put with acid?
Methyl violet will change from purple to pink when exposed to acid, as the color of the dye shifts due to the change in pH.
What does a typical acid base indicator exhibit its colour change over range of?
Its colour changes over a range of Ph values.
What colour does acid change to when red litmus paper is added?
the same color red
