Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/4 1/3 1/6 1/8 1/4 1/3 1/6 1/8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inexpensive and commonly used variety of glass is called soda glass. was initially used for storing sodium carbonate is made using soda lime was used initially for making bottles of soda(carbonated drink) is made using soda(sodium carbonate) was initially used for storing sodium carbonate is made using soda lime was used initially for making bottles of soda(carbonated drink) is made using soda(sodium carbonate) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcoholic (– OH) group can be identified by : Ozonolysis Reaction Tollen's Reagent Test Esterification Test FeCl3Test Ozonolysis Reaction Tollen's Reagent Test Esterification Test FeCl3Test ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is made hard with Hydration and dissociation of water Polymerisation Dissociation of water Dehydration Hydration and dissociation of water Polymerisation Dissociation of water Dehydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The high reactivity of fluorine is due to small size of fluorine atom availability of d-orbitals its high electro negativity strong F - F bond small size of fluorine atom availability of d-orbitals its high electro negativity strong F - F bond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone consists of Oxygen and Carbon Hydrogen and Carbon Oxygen only Oxygen and Nitrogen Oxygen and Carbon Hydrogen and Carbon Oxygen only Oxygen and Nitrogen ANSWER DOWNLOAD EXAMIANS APP