The metal that does not give the borax-bead test is
Chromium
Nickel
Lead
Manganese
Borax bead test is generally given by transition elements.
Therefore, Lead will not respond to the Borax bead test.
Hence, the correct answer is Option (3)
Study 40% syllabus and score up to 100% marks in JEE
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