Chemistry What is the element that is in the highest percentage in the composition of the earth ? Oxygen Silicon Iron Magnesium Oxygen Silicon Iron Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the fuels given below, the one with highest calorific value is Coal Coke Wood Natural gas Coal Coke Wood Natural gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : Battery Power transmittor Generator Uninterrupted power supply (UPS) Battery Power transmittor Generator Uninterrupted power supply (UPS) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Carbon dioxide Nitrous oxide Carbon monoxide Sulphur dioxide Carbon dioxide Nitrous oxide Carbon monoxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bee sting contains A salt solution A corrosive liquid An alkaline liquid An acidic liquid A salt solution A corrosive liquid An alkaline liquid An acidic liquid ANSWER DOWNLOAD EXAMIANS APP
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