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When red litmus is added to an alkali, its colour changes to blue.
This is because an alkali is a base and has the property of turning red litmus paper or
red litmus solution to blue.
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∙ 13y ago
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What happense to the litmus when toothpaste and an alkali is added?
Litmus paper is neutral and has a PH of 7 o adding an alkali will turn it purple and adding an acid will turn it red-pink.
What color does litmus paper change if added to alkali?
The first litmus papers were white. Now we got in red and blue. They are more reliable. In blue litmus, an alkali solution stays blue. If it turns red, that means you have an acidic solution.
Is litmus used to differentiate two acids?
Yes, litmus paper is used to tell the difference between acid and alkali - blue for alkali and red for acid
What alkali will turn litmus paper into blue?
Every alkali solution above 7 pH at 298 K would turn red litmus into blue.
What colour does hydrochloric acid turn in red litmus paper?
Hydrochloric acid will keep litmus red - it needs alkali to turn it blue
What happense to the litmus when toothpaste and an alkali is added?
Litmus paper is neutral and has a PH of 7 o adding an alkali will turn it purple and adding an acid will turn it red-pink.
What color does litmus paper change if added to alkali?
The first litmus papers were white. Now we got in red and blue. They are more reliable. In blue litmus, an alkali solution stays blue. If it turns red, that means you have an acidic solution.
How does the color change when a strong acid is added an alkali to neutralise?
The color does not change unless an indicator such as litmus or phenolphthalein is being used. If litmus the color change is blue to red If phenolphthalein the change is red to colorless
What color would the litmus paper turn if it was blue?
Blue litmus paper turns red in acid red litmus paper turns blue in alkali.
Is litmus used to differentiate two acids?
Yes, litmus paper is used to tell the difference between acid and alkali - blue for alkali and red for acid
What alkali will turn litmus paper into blue?
Every alkali solution above 7 pH at 298 K would turn red litmus into blue.
What colour does hydrochloric acid turn in red litmus paper?
Hydrochloric acid will keep litmus red - it needs alkali to turn it blue
Indicator that turns red in acid and blue in alkali?
the litmus test. blue means basic, red means acidic.
What are two examples of natural indicator of acid and bases?
Red litmus paper and blue litmus paper. Blue litmus paper turns red in the presence of an acid and red litmus paper turns blue in the presence of an alkali.
When red litmus is added to acetic acid what will be the colour of litmus paper?
It will remain red
Turns blue litmus paper to red?
Bases turn red litmus paper blue. Alkali (ammonia) Alkaline
Does blue litmus paper turns red if an acid was added to it?
Yes - with blue litmus paper if the solution was an acid it would turn red. if the solution was an alkali it would stay blue or if the solution is neutral it would turn green:)
