Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 300 km 100 km 200 km 150 km 300 km 100 km 200 km 150 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Muscle fatigue is caused by the accumulation of : Uric acid Oxalacetic acid Lactic acid Pyruvic acid Uric acid Oxalacetic acid Lactic acid Pyruvic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry A polymeric substance used to make parachute is Terylene Cotton Rayon Viscose Terylene Cotton Rayon Viscose ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is very reactive and kept in kerosene? Sodium Bromine Iodine Potassium Sodium Bromine Iodine Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest form of iron? Wrought iron Pig iron Steel Cast iron Wrought iron Pig iron Steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum is a mixture of Hydrocarbons Polymers Elements Salts Hydrocarbons Polymers Elements Salts ANSWER DOWNLOAD EXAMIANS APP