Chemistry In an oxygen molecule, two atoms are united by Two bonds Four bonds Three bonds One bond Two bonds Four bonds Three bonds One bond ANSWER DOWNLOAD EXAMIANS APP
Chemistry J.J. Thomson’s proposed model of atom is generally called ________ model. Plum and pudding Cream and pudding Cream and cake Plum and cake Plum and pudding Cream and pudding Cream and cake Plum and cake ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Aluminium Silver Zinc Copper Aluminium Silver Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Ozone Carbon dioxide Water vapour Carbon monoxide Ozone Carbon dioxide Water vapour Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The formula C6H5-CO-CH3 represents Acetophenone Phenyl acetate Acetic acid Acetone Acetophenone Phenyl acetate Acetic acid Acetone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is CO2 All of these CO O3 CO2 All of these CO O3 ANSWER DOWNLOAD EXAMIANS APP
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