Chemistry What is the mass percentage of oxygen in carbon dioxide (CO2) 0.658 0.305 0.509 0.727 0.658 0.305 0.509 0.727 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because Sea animals are salt producing Sea beds have salt producing mines The air around the sea is saltish Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing Sea beds have salt producing mines The air around the sea is saltish Rivers wash away salts from earth and pour them into the sea ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is biodegradable ? Plastic D.T. Aluminium Paper Plastic D.T. Aluminium Paper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main buffer system of the human blood is NH2CONH2 - NH2CONH+ H2CO3 - CO32- CH3COOH - CH3COO- H2CO3 - HCO3 NH2CONH2 - NH2CONH+ H2CO3 - CO32- CH3COOH - CH3COO- H2CO3 - HCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardness of the water is commonly measured in terms of Calcium carbonate equivalents Calcium sulphate equivalents Magnesium carbonate equivalents Magnesium sulphate equivalents Calcium carbonate equivalents Calcium sulphate equivalents Magnesium carbonate equivalents Magnesium sulphate equivalents ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the major constituent of LPG? Methane Propane Butane Ethane Methane Propane Butane Ethane ANSWER DOWNLOAD EXAMIANS APP
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