Chemistry Which of the following is the maximum number of electrons that can be present in M-shell? 8 18 2 32 8 18 2 32 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to make light weight, but strong plastic ? Polyvinyl Chloride Methyl Methacrylate Polythene Nylon Polyvinyl Chloride Methyl Methacrylate Polythene Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Hydrogen peroxide Borax Sodium chloride Saltpetre Hydrogen peroxide Borax Sodium chloride Saltpetre ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Water gas Carbon monoxide Hydrogen cyanide Mustard gas Water gas Carbon monoxide Hydrogen cyanide Mustard gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry If water smells bad, then that odour can be removed by adding Alum Deactivated nitrogen Activated carbon Bleach Alum Deactivated nitrogen Activated carbon Bleach ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Tetramethyl lead Trimethyl lead Triethyl lead Tetraethyl lead Tetramethyl lead Trimethyl lead Triethyl lead Tetraethyl lead ANSWER DOWNLOAD EXAMIANS APP
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