GENERAL KNOWLEDGE

GK

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How would you classify the color of a rose?
A
chemical change
B
physical property
C
physical change
D
chemical property
Explanation: 

Detailed explanation-1: -Explanation: Color is a physical property. Other physical properties of matter are volume, mass, temperature, melting point, boiling point.

Detailed explanation-2: -Familiar examples of physical properties include density, color, hardness, melting and boiling points, and electrical conductivity.

Detailed explanation-3: -Rose is the color halfway between red and magenta on the HSV color wheel, also known as the RGB color wheel, on which it is at hue angle of 330 degrees. Rose is one of the tertiary colors on the HSV (RGB) color wheel. The complementary color of rose is spring green.

Detailed explanation-4: -As usual in plant science, there’s chemistry involved. The color of a rose comes from the pigments in its petals. Primarily, these pigments are anthocyanins and carotenoids. Carotenoids produce the bright yellow, orange, and red pigments such as you would find in lemons, oranges, and tomatoes.

Detailed explanation-5: -Physical properties include color, density, hardness, and melting and boiling points. A chemical property describes the ability of a substance to undergo a specific chemical change.

There is 1 question to complete.