yes!!!
onion
Yes, the onion olfactory indicator changes smell in both acid and base solutions. In acidic solutions, the smell becomes sharper and more pungent, while in basic solutions, the smell becomes sweeter and less intense.
yeah, it is an olfactory indicator!
pta nhi
Yes, vanilla is often used as an olfactory indicator because it has a strong and distinct smell that can be easily detected. Its sweet and soothing aroma is commonly used in perfumes, candles, and air fresheners to create a pleasant atmosphere.
This indicator is known as an olfactory indicator. It changes its smell based on the pH of the medium it is in, which can be useful for detecting changes in acidity or alkalinity.
Olfactory indicators are substances that change color in response to specific odors. They are used to detect or identify the presence of certain gases or vapors based on the color change they undergo when exposed to particular odors. These indicators can be useful in applications such as leak detection in gas pipelines or detection of spoiled food.
In this question, "allfactory" probably is someone's phonetic (mis)spelling of "olfactory", which refers to odor. An example of an olfactory indicator of chemical reaction would be disappearance of the usually pleasant odor of an ester by an odorless or sharper smelling mixture of an organic acid and an alcohol as the ester is being hydrolyzed.
a plant pH indicator is onion
They way that you prepare an indicator using and onion and beetroot depends on what type of indicator you want to prepare (i.e.: Litmus, pH, redox or other). Generally, you will cut pieces off of the onion and beetroot and put them each in separate flasks adding ethanol or other liquid you want to use for your indicator project.
in the olfactory bulb
The Olfactory nerve. CN1 Cranial Nerve I, or the first cranial nerve called the Olfactory nerve.