The test strip would turn shades of green, since the pH is usually between 6 and 8.
It's because the sunlight decolor the colored paper. The sunlight makes the color of paper to another color.
Litmus paper: red color in acidic solutions and blue color in basic solutions.Phenolphthalein: no color in acidic solutions.
Litmus paper turn to red color.
The litmus paper is turned to red color in acidic solutions.
A red paper clip
detergent solution has an effect on red litmus paper because detergent solution is a base and it changes the color of red litmus(indicator) to blue when in contact with it.
The blue litmus paper will not change color. Red litmus would turn blue in the presence of ammonia. Blue litmus paper will only change color in the presence of an acid, at which point it will turn red.
Red
acid
Metho Spirits or a sponge and Detergent
litmus paper turns blue litmus red when tested on an acid and red litmus blue when tested on a base
M8 paper only detects nerve and blister liquid agents. The most effective way to utilize its properties is to identify within the yellow, red, and green color codes. Each color specifies rather the chemical tested is closer to nerve of blister range.
It's because the sunlight decolor the colored paper. The sunlight makes the color of paper to another color.
universal indicator or litmus paper
how does water attect the color of thepH paper
just wipe it up with a paper towel, or maybe lots of paper towels. If you use a cloth the detergent could actually stain it. When you have wiped the floor pretty much dry then use wet paper towels to remove all the residue because it may be sticky.
Usually the ph is tested with a phenol red indicator but litmus paper can be used