Chemistry Hard steel contains 0.01 to 0.04 per cent carbon 2 to 5 per cent carbon 0.5 to 1.5 per cent carbon 0.1 to 0.4 per cent carbon 0.01 to 0.04 per cent carbon 2 to 5 per cent carbon 0.5 to 1.5 per cent carbon 0.1 to 0.4 per cent carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant metal in the Earth’s crust is Copper Aluminium Iron Zinc Copper Aluminium Iron Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Threshold limit value of copper in the atmospheric air is 0.001 mg/m3 5.0 mg/m3 1.0 mg/m3 0.01 mg/m3 0.001 mg/m3 5.0 mg/m3 1.0 mg/m3 0.01 mg/m3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 100 km 300 km 150 km 200 km 100 km 300 km 150 km 200 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphuric acid is Tetrabasic Dibasic Tribasic Monobasic Tetrabasic Dibasic Tribasic Monobasic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Zirconium Thorium Plutonium Uranium Zirconium Thorium Plutonium Uranium ANSWER DOWNLOAD EXAMIANS APP