Chemistry An element of atomic no. 29 belongs to D-block S-block P-block F-block D-block S-block P-block F-block ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to Its ability to absorb all other colours except yellow The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour The low ionisation energy of sodium Its ability to absorb all other colours except yellow The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour The low ionisation energy of sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 6.3 8.3 3.2 5.6 6.3 8.3 3.2 5.6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Urea is a Potassium fertilizer Nitrogenous fertilizer Phosphatic fertilizer Sodium fertilizer Potassium fertilizer Nitrogenous fertilizer Phosphatic fertilizer Sodium fertilizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Ag Fe Na Hg Ag Fe Na Hg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Saline soil contains Hard rocks None of these Lot of moisture High concentration of salt Hard rocks None of these Lot of moisture High concentration of salt ANSWER DOWNLOAD EXAMIANS APP
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