Chemistry Baking soda is : Potassium carbonate Sodium hydroxide Sodium carbonate Sodium bicarbonate Potassium carbonate Sodium hydroxide Sodium carbonate Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogen sulphide Aluminium sulphide Hydrogenated wafers Aluminium phosphide Hydrogen sulphide Aluminium sulphide Hydrogenated wafers Aluminium phosphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not present in cement ? Alum Alumina Gypsum Clay Alum Alumina Gypsum Clay ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : Uninterrupted power supply (UPS) Generator Battery Power transmittor Uninterrupted power supply (UPS) Generator Battery Power transmittor ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is known as carbolic acid? Ethanol Acetic acid Oxalic acid Phenol Ethanol Acetic acid Oxalic acid Phenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the petroleum wax ? Paraffin wax Carnauba wax Bees wax Jojoba wax Paraffin wax Carnauba wax Bees wax Jojoba wax ANSWER DOWNLOAD EXAMIANS APP
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