Blue Litmus Paper Ph Scale

Sulfuric acid is obviously acidic in nature.

Blue litmus paper ph scale. Sodium hydroxide is a base. In general litmus paper is red below a ph of 4 5 and blue above a ph of 8 3. Blue litmus paper can indicate an acid with a ph between 4 and 5 or lower. A ph scale reading of 8 indicates a weak base.

A blue litmus paper turns red in acids while a red litmus paper turns blue in basic solutions. Colorful vector illustration in flat style isolated on white background. Acids turn blue litmus paper red. Red litmus paper can show a base with a ph greater than 8.

A lower ph means something is more acidic also known as a stronger acid. A higher ph means it is more alkaline or a stronger base. Ph scale diagram with corresponding acidic or alcaline values for common substances food household chemicals. It turns red litmus.

The table shows. Litmus paper comes as red litmus paper and blue litmus paper. To test the ph of a substance dip a strip of litmus paper into the solution or use a dropper or pipette to drip a small amount of solution onto the litmus paper. Examples of litmus paper color changes.

Litmus indicator solution turns red in acidic solutions blue in alkaline solutions and purple in neutral solutions. Litmus paper color chart. Bases turn red litmus paper blue. The blue paper changes to red indicating acidity somewhere between the ph range of 4 5 to 8 3.

Note that 8 3 is alkaline red litmus paper can indicate alkalinity with a change to blue. A ph scale reading of 6 indicates a weak acid.