ZOOM IS A MANUFACTURER OF QUALITY PRODUCTS
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LITMUS PAPER IS COMMONLY USED IN LABORATORY.
Litmus indicator solution turns red in acidic solutions and blue in alkaline solutions - and it turns purple in neutral solutions.
Litmus paper is usually more reliable, and comes as red litmus paper and blue litmus paper. The table shows the colour changes it can make.
| Red Litmus | Blue Litmus |
---|---|---|
Acidic solution | Stays red | Turns red |
Neutral solution | Stays red | Stays blue |
Alkaline solution | Turns blue | Stays blue |
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