Chemistry Periodic table contains how many groups 18 16 19 17 18 16 19 17 ANSWER DOWNLOAD EXAMIANS APP
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? 1/8 1/3 1/6 1/4 1/8 1/3 1/6 1/4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What do you understand by the term Espuma ? Calcium Foam Soap Salt Calcium Foam Soap Salt ANSWER DOWNLOAD EXAMIANS APP
Chemistry The unit of ionic product of water (Kw) is : Mol-1 let-2 Mol-1 let-1 Mol2 let-2 Mol2 let-1 Mol-1 let-2 Mol-1 let-1 Mol2 let-2 Mol2 let-1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? Methylene blue Phenolphthaline Methyl red Methyl orange Methylene blue Phenolphthaline Methyl red Methyl orange ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical properties of isotopes Need not be same Need not be different Must be same Must be different Need not be same Need not be different Must be same Must be different ANSWER DOWNLOAD EXAMIANS APP