A soap solution appears cloudy because _______.
(A) soap micelles absorb light
(B) soap micelles precipitate out
(C) soap molecules remain as it is and do not form micelles
(D) soap micelles scatter light
Answer:
The color of leaves on a plant is dependent on the type of chlorophyll present in them.
Explanation:
Chlorophyll is an important pigment in the process of photosynthesis.
Chlorophyll A is the most common...
This is because of scattering of light. Light from the Sun near the horizon passes through larger distance in the earth’s atmosphere before reaching our eyes. So, most of the...
The correct answer is (d) 24πr2S.
Explanation:
The surface tension S is equal to surface energy per unit area, S = U/A
→U = SA
The total area of the soap bubble =2*4πr² =8πr²
The...
(b) Cloudy nights are warmer than clear nights because, the cloud cover provides a shield which act as an insulator and store up the heat radiated by the earth and...
Soap is sodium salt of higher fatty acids (RCOONa). On adding common salt, Na+ ion concentration increased. Hence, the equilibrium RCOONa (s) ----- RCOO- + Na + shifts in the...
