Chemistry What is the element that is in the highest percentage in the composition of the earth ? Iron Oxygen Silicon Magnesium Iron Oxygen Silicon Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Methane Ethane Carbon di-oxide Carbon monoxide Methane Ethane Carbon di-oxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bhopal gas tragedy is associated with leakage of Nitrogen dioxide Sulphur dioxide Methyl isocyanate Carbon dioxide Nitrogen dioxide Sulphur dioxide Methyl isocyanate Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 8.00 gram 1.00 gram 4.00 gram 4 x 6.02 x 1023 gram 8.00 gram 1.00 gram 4.00 gram 4 x 6.02 x 1023 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used for converting vegetable oils into saturated fats ? H2 SO2 Cl2 O2 H2 SO2 Cl2 O2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is found in all organic compounds Nitrogen Calcium Oxygen Carbon Nitrogen Calcium Oxygen Carbon ANSWER DOWNLOAD EXAMIANS APP
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