Chemistry The major constituent of air is nitrogen carbon dioxide hydrogen oxygen nitrogen carbon dioxide hydrogen oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: All radiations of Light Cosmic rays. Ultraviolet rays Infra-red rays All radiations of Light Cosmic rays. Ultraviolet rays Infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Carbon dioxide Sulphur dioxide Chlorofluorocarbon Nitrous oxide Carbon dioxide Sulphur dioxide Chlorofluorocarbon Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chloroform can be used as Analgesic Antibiotic Anaesthetic Antimalarial Analgesic Antibiotic Anaesthetic Antimalarial ANSWER DOWNLOAD EXAMIANS APP
Chemistry An alloy used in making heating elements for electric heating device is Solder German Silver Alloy Steel Nichrome Solder German Silver Alloy Steel Nichrome ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conduction band electrons have more mobility than holes because they Experience collision less frequently Are lighter Have negative charge Need less energy to move them Experience collision less frequently Are lighter Have negative charge Need less energy to move them ANSWER DOWNLOAD EXAMIANS APP
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