The universal indicator turns blue in the presence of alkaline (basic) substances, typically with a pH greater than 7. If a solution is acidic (pH less than 7), the indicator will show colors ranging from red to yellow. Therefore, whether the indicator turns blue depends on the pH level of the solution being tested.
In Universal Indicator, borax typically changes to a greenish-blue color. This indicates a pH level around 9-10, which is alkaline.
A base turns the universal indicator blue or u can say a alkali substance.
A neutral solution will turn universal indicator green.
Universal indicator would turn dark blue or purple in caustic soda, indicating a high pH level.
The universal indicator changes color in response to the acidic or basic nature of a solution. Acidic solutions will turn the indicator to a red color, while basic solutions will turn it to a blue or purple color. Different liquids with varying pH levels can cause the universal indicator to change color accordingly.
Alkalis turn universal indicator blue or purple.
Alkalis turn universal indicator blue or purple.
The alkali makes a universal indicator turn blue.
When universal indicator is put in water soluion of alkalis (base) it indicates significant blue colour.
Universal indicator will turn purple or blue when mixed with a weak alkali.
A base typically turns universal indicator solution blue or purple.
The color of a universal indicator in a basic solution is usually purple or blue.
The color of universal indicator in shampoo will vary depending on the pH of the shampoo. If the shampoo is acidic, the indicator will turn red or pink. If the shampoo is basic, the indicator will turn blue or purple. If the shampoo is neutral, the indicator will turn green.
When an alkali is added to universal indicator, the color of the indicator will typically change to blue or purple, indicating a high pH. Alkalis are substances that have a pH above 7 and tend to turn universal indicator towards the blue end of the spectrum.
Universal indicator will turn dark blue or purple when mixed with a strong alkali.
The universal indicator generally turns blue or purple with toothpaste, indicating that the toothpaste is basic.
blue