Chemistry Electric bulbs are filled with : Oxygen Carbon dioxide Nitrogen Argon Oxygen Carbon dioxide Nitrogen Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Methane Carbon monoxide Ethane Carbon di-oxide Methane Carbon monoxide Ethane Carbon di-oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first organic compound synthesised in the laboratory was Lactic acid Urea Uric acid Glucose Lactic acid Urea Uric acid Glucose ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the lightest element in the periodic table Helium Oxygen Hydrogen Carbon Helium Oxygen Hydrogen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has the highest lattice energy KF NaF RbF CsF KF NaF RbF CsF ANSWER DOWNLOAD EXAMIANS APP
Chemistry Threshold limit value of copper in the atmospheric air is 1.0 mg/m3 5.0 mg/m3 0.01 mg/m3 0.001 mg/m3 1.0 mg/m3 5.0 mg/m3 0.01 mg/m3 0.001 mg/m3 ANSWER DOWNLOAD EXAMIANS APP
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