The two allotropic form of selenium are
Red and Brown
Red and Gray
Gray and Yellow
Brown and Yellow
As we learnt
Allotropes of Selenium -
Red (non-metallic)
gray (metallic)
-
The two allotropic form of selenium are Red and Gray.
Fact
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