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.
For litmus, it so happens that the 50 / 50 colour does occur at close to pH 7 - that's why litmus is commonly used to test for acids and alkalis. As you will see below, that isn't true for other indicators. Methyl orange. Methyl orange is one of the indicators commonly used in titrations. In an alkaline solution, methyl orange is yellow and the structure is: Now, you might think that when you add an acid, the hydrogen ion would be picked up by the negatively charged oxygen. That's the obvious place for it to go.