Rating Newest Oldest. Best Answer: If it is surely a pine cone then read further= Give the scientific name of the tree a ' Pinus' . Forget about exact species as in the absence of complete data it is impossible to pinpoint.ext. whats the scientific name for a pine cone. My younger brother needs to know for his science class (he had to go find one and bring it in and one of the requirements was to tell what the scientific name is) I don't know what kind of tree he got it from though. so just give me whatever scientific names you know....
When litmus paper touches an acid, the paper changes to red. When it touches a base, the paper changes to blue. By comparing the color the litmus paper changed to by a chart, you could determine how strong or weak that acid or base is. When litmus paper touches an acid, the paper changes to red. When it touches a base, the paper changes to blue.
Solutions with pH levels below seven are considered acidic. Those with pH levels at seven are considered neutral. Litmus paper is paper that has been treated with a mixture of natural dyes known as lichens, or Roccella tinctoria. Litmus paper is not the only method of using color change to detect pH level. One natural way to do so is to use red cabbage juice. It appears red in acidic solutions, blue in neutral ones and greenish-yellow is base solution with pH levels at 12.