Chemistry The open "Sigrees" or coal stoves often require fanning to sustain burning because of Lack of oxygen in the surroundings of sigrees Tendency of carbon dioxide to form a layer along with dust smoke Interrupted release of moisture from the material Accumulation of smoke and dust over the sigrees Lack of oxygen in the surroundings of sigrees Tendency of carbon dioxide to form a layer along with dust smoke Interrupted release of moisture from the material Accumulation of smoke and dust over the sigrees ANSWER DOWNLOAD EXAMIANS APP
Chemistry London smog is found in Summer during morning time Winter during morning time Summer during day time Winter during day time Summer during morning time Winter during morning time Summer during day time Winter during day time ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used as fire extinguisher ? Carbon dioxide Carbon suboxide Sulphur dioxide Carbon monoxide Carbon dioxide Carbon suboxide Sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Calcium carbonate Sodium chloride Magnesium sulphate Potassium chloride Calcium carbonate Sodium chloride Magnesium sulphate Potassium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used chemicals in the artificial rainmaking or cloud seeding are Sodium Chloride (NaCl) All of these Dry Ice (Frozen CO2) Silver Iodide (Ag I) Sodium Chloride (NaCl) All of these Dry Ice (Frozen CO2) Silver Iodide (Ag I) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order O2- > F- > Na+ > N3- Na+ > O2- > N3- > F- N3- > O2- > F- > Na+ N3- > Na+ > O2- > F- O2- > F- > Na+ > N3- Na+ > O2- > N3- > F- N3- > O2- > F- > Na+ N3- > Na+ > O2- > F- ANSWER DOWNLOAD EXAMIANS APP