Blue Litmus Paper Ph Scale

Litmus paper color chart.

Blue litmus paper ph scale. Red litmus paper can show a base with a ph greater than 8. In general litmus paper is red below a ph of 4 5 and blue above a ph of 8 3. A ph scale reading of 6 indicates a weak acid. A lower ph means something is more acidic also known as a stronger acid.

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. Colorful vector illustration in flat style isolated on white background. It turns blue litmus paper red. It turns red litmus.

Bases turn red litmus paper blue. The table shows. Ph scale diagram with corresponding acidic or alcaline values for common substances food household chemicals. Litmus indicator solution turns red in acidic solutions blue in alkaline solutions and purple in neutral solutions.

Litmus paper comes as red litmus paper and blue litmus paper. Sodium hydroxide is a base. The blue paper changes to red indicating acidity somewhere between the ph range of 4 5 to 8 3. Chemistry classes will often use a litmus test to identify acids from bases.

Acids turn blue litmus paper red. Sulfuric acid is obviously acidic in nature. A blue litmus paper turns red in acids while a red litmus paper turns blue in basic solutions. A ph scale reading of 8 indicates a weak base.

Initially litmus paper is either red or blue. Examples of litmus paper color changes.