Chemistry Domestic cooking gas consists mostly of Liquified butane and isobutane Methane and ethane Hydrogen and acetylene Ethylene and carbon monoxide Liquified butane and isobutane Methane and ethane Hydrogen and acetylene Ethylene and carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first organic compound synthesised in the laboratory was Urea Glucose Uric acid Lactic acid Urea Glucose Uric acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Calcination Roasting Refining Smelting Calcination Roasting Refining Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following substance's smell is similar to Ethanoic acid? Vinegar Kerosene Tomato juice Lemon Vinegar Kerosene Tomato juice Lemon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The luster of a metal is due to presence of free electrons its high density its high polishing its chemical inertness presence of free electrons its high density its high polishing its chemical inertness 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 The low ionisation energy of sodium sublimation of sodium to emit yellow colour 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 The low ionisation energy of sodium sublimation of sodium to emit yellow colour ANSWER DOWNLOAD EXAMIANS APP
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