Chemistry The gas that usually causes explosions in coal mines is Carbon monoxide Hydrogen Air Methane Carbon monoxide Hydrogen Air Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Copper Tin Zinc Lead Copper Tin Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order N3- > Na+ > O2- > F- O2- > F- > Na+ > N3- N3- > O2- > F- > Na+ Na+ > O2- > N3- > F- N3- > Na+ > O2- > F- O2- > F- > Na+ > N3- N3- > O2- > F- > Na+ Na+ > O2- > N3- > F- ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is a crystalline form of Alumina Glass Silica Limestone Alumina Glass Silica Limestone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main nitrogenous waste in humans ? Uric Acid Ammonia Urea Ammonium Nitrate Uric Acid Ammonia Urea Ammonium Nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aspirin is chemically known as Alkylsalicylic acid Acetylsalicylic acid Methyl salicylate Hydroxysalicylate Alkylsalicylic acid Acetylsalicylic acid Methyl salicylate Hydroxysalicylate ANSWER DOWNLOAD EXAMIANS APP
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