Chemistry The main buffer system of the human blood is H2CO3 - HCO3 CH3COOH - CH3COO- NH2CONH2 - NH2CONH+ H2CO3 - CO32- H2CO3 - HCO3 CH3COOH - CH3COO- NH2CONH2 - NH2CONH+ H2CO3 - CO32- ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Tetraethyl lead Triethyl lead Tetramethyl lead Trimethyl lead Tetraethyl lead Triethyl lead Tetramethyl lead Trimethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas mainly contains Methane Hydrogen sulphide Carbon dioxide Carbon monoxide Methane Hydrogen sulphide Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial Vaseline is derived from Coal tar Petroleum Plant gums Wool wax Coal tar Petroleum Plant gums Wool wax ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Free energy Internal energy Activation energy Threshold energy Free energy Internal energy Activation energy Threshold energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Aluminium Tin Copper Iron Aluminium Tin Copper Iron ANSWER DOWNLOAD EXAMIANS APP
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