Chemistry Chemical formula of washing soda is Na2CO3.10H2O NaHCO3 Na2SO4.10H2O Ca(OH)2 Na2CO3.10H2O NaHCO3 Na2SO4.10H2O Ca(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is More stable Non-combustible More abundant than hydrogen Lighter than hydrogen More stable Non-combustible More abundant than hydrogen Lighter than hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is Nitrogen All of these Ethane Methane Nitrogen All of these Ethane Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Molasses a by-product in the manufacture of sugar, is converted into Pulp Alcohol Paper Fuel Pulp Alcohol Paper Fuel ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is used for making vinegar. Acetic acid Malic acid Tartaric acid Oxalic acid Acetic acid Malic acid Tartaric acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main chemical constituent of the oil of cardamom which is responsible for flavour of this oil is engenol geraniol limonene cineole engenol geraniol limonene cineole ANSWER DOWNLOAD EXAMIANS APP
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