Strictly speaking, the initial volatilizing (evaporation) of the perfume is a physical change but, soon after contact with oxygen, the volatile organic compounds and other components of the perfume begin oxidizing. In that case, there is a chemical change.
The browning of a flower is a chemical change. Color changes are one sign of a chemical reaction.
A flower petal turning brown is a chemical change. This is because the process involves a chemical reaction that alters the composition of the pigment in the petal, causing it to change color.
The evaporation of perfume is a physical change. The chemical constitution of the perfume has not changed, it is still exactly the same chemical, but it has changed from a liquid phase to a gas phase.
Growing a flower involves both chemical and physical changes. The process of photosynthesis, where the plant converts sunlight, water, and carbon dioxide into glucose and oxygen, is a chemical change. Additionally, the physical growth of the flower itself, including cell division and expansion, is a physical change. Both chemical and physical changes play a role in the overall process of growing a flower.
yes because it does not change chemical composition anddoes not form new substance.
Chemical property. Unless the smell is changing, in which case it's a chemical change.
The fragrance of a flower is a physical property. It is a result of volatile organic compounds released by the flower that can be detected by the sense of smell, without involving any chemical reactions.
entirely chemical
No. It's not a "change" of any kind.
There are two nouns in the sentence: flower and fragrance.
The browning of a flower is a chemical change. Color changes are one sign of a chemical reaction.
There are two nouns in the sentence, they are flower and fragrance.
Flowers have some fragrance which attract pollinating insects..
A flower petal turning brown is a chemical change. This is because the process involves a chemical reaction that alters the composition of the pigment in the petal, causing it to change color.
two
no
The nouns in the sentence are flower and fragrance, words for things.The noun 'flower' is the subject of the sentence.The noun 'fragrance' is the direct object of the verb 'has lost'.Note: The possessive adjective its does not have an apostrophe. The sentence should read, "The flower has lost itsfragrance."