Chemistry The element used for making solar cells is Sodium Silicon Magnesium Calcium Sodium Silicon Magnesium Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is known as carbolic acid? Oxalic acid Acetic acid Ethanol Phenol Oxalic acid Acetic acid Ethanol Phenol 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 : Power transmittor Uninterrupted power supply (UPS) Battery Generator Power transmittor Uninterrupted power supply (UPS) Battery Generator ANSWER DOWNLOAD EXAMIANS APP
Chemistry Element 106 was discovered by Kurchatove Lawrence Seaborg Rutherford Kurchatove Lawrence Seaborg Rutherford ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is usually a mixture of : Calcium silicate and calcium aluminate Calcium silicate and calcium ferrate Lime stone and silicon dioxide Calcium aluminate and calcium ferrate Calcium silicate and calcium aluminate Calcium silicate and calcium ferrate Lime stone and silicon dioxide Calcium aluminate and calcium ferrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is made of Copper, tin and zinc Copper and zinc Copper and tin Tin and lead Copper, tin and zinc Copper and zinc Copper and tin Tin and lead ANSWER DOWNLOAD EXAMIANS APP
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