Chemistry Iron rusts quickly in Rain water Distilled water Sea water River water Rain water Distilled water Sea water River water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Hydrogen Methane Carbon monoxide Air Hydrogen Methane Carbon monoxide Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The highest volume of gases in lower atmosphere is comprised of Carbon dioxide Nitrogen Oxygen Hydrogen Carbon dioxide Nitrogen Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 5.6 6.3 8.3 3.2 5.6 6.3 8.3 3.2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of gas constant R in Ergs deg–1 mole–1 is 8.341 × 107 8.413 × 107 4.183 × 107 8.314 × 107 8.341 × 107 8.413 × 107 4.183 × 107 8.314 × 107 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a precious/semi-precious stone? Sapphire Emerald Ruby Pearl Sapphire Emerald Ruby Pearl ANSWER DOWNLOAD EXAMIANS APP
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