Chemistry Which one of the following is most acidic MgO Al22O3 CaO Na2O MgO Al22O3 CaO Na2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is no reaction. There is a violent explosion. The paper ignites There is a crackling sound There is no reaction. There is a violent explosion. The paper ignites There is a crackling sound ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercially, sodium bicarbonate is known as Baking soda Bleaching powder Soda ash Washing soda Baking soda Bleaching powder Soda ash Washing soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Carbon monoxide Sulphur dioxide Methane Nitrogen dioxide Carbon monoxide Sulphur dioxide Methane Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar made by fermentation from cane sugar contains Acetic acid Palmitic acid Lactic acid Citric acid Acetic acid Palmitic acid Lactic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron filings can be separated from a heterogenous mixture using the technique of : Evaporation Magnetization Sublimation Sedimentation Evaporation Magnetization Sublimation Sedimentation ANSWER DOWNLOAD EXAMIANS APP