Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Calcium Manganese None of these Magnesium Calcium Manganese None of these Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry An emulsion is a colloid of a Gas in a solid Liquid in a gas Gas in a liquid Liquid in a liquid Gas in a solid Liquid in a gas Gas in a liquid Liquid in a liquid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum is a mixture of Hydrocarbons Polymers Elements Salts Hydrocarbons Polymers Elements Salts ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main buffer system of the human blood is H2CO3 - CO32- NH2CONH2 - NH2CONH+ H2CO3 - HCO3 CH3COOH - CH3COO- H2CO3 - CO32- NH2CONH2 - NH2CONH+ H2CO3 - HCO3 CH3COOH - CH3COO- ANSWER DOWNLOAD EXAMIANS APP
Chemistry The “King of Metals” is : Silver Iron Aluminium Gold Silver Iron Aluminium Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of common salt is Sodium Chloride Sodium Sodium Bicarbonate Sodium Oxide Sodium Chloride Sodium Sodium Bicarbonate Sodium Oxide ANSWER DOWNLOAD EXAMIANS APP
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