Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Styrene Ethylene Methane Acetylene Styrene Ethylene Methane Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following in automobile exhaust can cause cancer? Oxides of nitrogen Carbon monoxide Polyclinic hydrocarbons Lead Oxides of nitrogen Carbon monoxide Polyclinic hydrocarbons Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x x/6 5x/36 7.2 x 5x x/6 5x/36 7.2 x ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Burning of paper Burning of coal Conversion of water into steam Digestion of food Burning of paper Burning of coal Conversion of water into steam Digestion of food ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most commonly used bleaching agent is Carbon dioxide Alcohol Sodium chloride Chlorine Carbon dioxide Alcohol Sodium chloride Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardness of the water is commonly measured in terms of Magnesium carbonate equivalents Calcium carbonate equivalents Calcium sulphate equivalents Magnesium sulphate equivalents Magnesium carbonate equivalents Calcium carbonate equivalents Calcium sulphate equivalents Magnesium sulphate equivalents ANSWER DOWNLOAD EXAMIANS APP
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