Chemistry Terylene is a condensation polymer of ethylene glycol and which acid? Salicylic acid Phthalic acid Benzoic Acid Terephthalic acid Salicylic acid Phthalic acid Benzoic Acid Terephthalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Lime Kerosene Petrol Oxalic acid solution Lime Kerosene Petrol Oxalic acid solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Nickel Lead Chromium Zinc Nickel Lead Chromium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Protons Positrons Neutrons Electrons Protons Positrons Neutrons Electrons 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) Generator Battery Power transmittor Uninterrupted power supply (UPS) Generator Battery ANSWER DOWNLOAD EXAMIANS APP
Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Oxygen Argon Helium Neon Oxygen Argon Helium Neon ANSWER DOWNLOAD EXAMIANS APP