Which of the following aerosols is responsible for the formation of red sunsets?
Urban air pollution aerosols
Sea salt aerosols
Desert dust aerosols
Volcanic ash aerosols
Volcanic ash aerosols can scatter light and create vivid red sunsets by allowing longer-wavelength light to dominate.
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5 g of Na2SO4 was dissolved in x g of H2O. The change in freezing point was found to be 3.820C. If Na2SO4 is 81.5% ionised, the value of x (K

A capacitor is made of two square plates each of side 'a' making a very small angle
A solution of m-chloroaniline, m-chlorophenol and m-chlorobenzoic acid in ethyl acetate was extracted initially with a saturated solution of NaHCO3 to give fraction A. The leftover organic phase was extracted with d