Chemistry Which one of the following gases has the highest calorific value? Natural gas Coal gas Indane gas Water gas Natural gas Coal gas Indane gas Water gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 1 : 1 : 1 2 : 16 : 2 1 : 16 : 2 2 : 16 : 1 1 : 1 : 1 2 : 16 : 2 1 : 16 : 2 2 : 16 : 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicone is a polymer of Dialkyl dichloro silane Silicon tetrachloride Tetraalkyl silane Silane Dialkyl dichloro silane Silicon tetrachloride Tetraalkyl silane Silane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water can be separated from alcohol water mixture by Evaporation Decantation Distillation Sublimation Evaporation Decantation Distillation Sublimation ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from 8 – 14 0 – 7 0 – 14 None 8 – 14 0 – 7 0 – 14 None ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogenated wafers Hydrogen sulphide Aluminium phosphide Aluminium sulphide Hydrogenated wafers Hydrogen sulphide Aluminium phosphide Aluminium sulphide ANSWER DOWNLOAD EXAMIANS APP
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