Chemistry The mass of one Avogadro number of helium atom is 4.00 gram 1.00 gram 4 x 6.02 x 1023 gram 8.00 gram 4.00 gram 1.00 gram 4 x 6.02 x 1023 gram 8.00 gram 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? 1/3 1/6 1/4 1/8 1/3 1/6 1/4 1/8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peroxyacetyl nitrate is a Acidic dye Plant hormone Secondary pollutant Vitamin Acidic dye Plant hormone Secondary pollutant Vitamin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver gets corroded due to ________ in air. Nitrogen Hydrogen Sulphide Carbon dioxide Oxygen Nitrogen Hydrogen Sulphide Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fat of a common mussel-secretes a sticky glue that can be used to make heart implants. The unique chemical compound present in the glue is: Phenyl alanine Amino phenyl alanine Dihydroxy phenyl alanine Hydroxy phenyl alanine Phenyl alanine Amino phenyl alanine Dihydroxy phenyl alanine Hydroxy phenyl alanine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are prepared from Hydrocarbons of petroleum Sodium salts of higher fattyacids Potassium salts of higher fatty-acids Glycerides Hydrocarbons of petroleum Sodium salts of higher fattyacids Potassium salts of higher fatty-acids Glycerides ANSWER DOWNLOAD EXAMIANS APP