Chemistry Galena is a mineral of Gold Lead Iron Calcium Gold Lead Iron Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common refrigerant in domestic refrigerator is Oxygen Neon Freon Nitrogen Oxygen Neon Freon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanized rubber contains sulphur 10-15% 7-9% 3-5% 0.02 10-15% 7-9% 3-5% 0.02 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The amount of chlorine available in water after disinfection is called as Residual chlorine Free chlorine Free available chlorine Combined available chlorine Residual chlorine Free chlorine Free available chlorine Combined available chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Carbon dioxide Methane Carbon Monoxide Ozone gas Carbon dioxide Methane Carbon Monoxide Ozone gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Methane Nitrous oxide and sulphur dioxide Carbon monoxide Carbon dioxide Methane Nitrous oxide and sulphur dioxide Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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