Chemistry The compound to which H2 does not add is Tetra –9 – phenanthrylethylene Tetra – a –naphthylethylene Tetraphenyl ethylene Biphenyl ethylene Tetra –9 – phenanthrylethylene Tetra – a –naphthylethylene Tetraphenyl ethylene Biphenyl ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat value of combustion of Gasoline is 39400 kJ/kg 14600 kJ/kg 12600 kJ/kg 47000 kJ/kg 39400 kJ/kg 14600 kJ/kg 12600 kJ/kg 47000 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical composition of cement is Limestone and Gypsum Clay and Gypsum Limestone, Clay and Gypsum Limestone and Clay Limestone and Gypsum Clay and Gypsum Limestone, Clay and Gypsum Limestone and Clay ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanization of rubber is carried out by adding Carbon Ozone Phosphorus Sulphur Carbon Ozone Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Carbon monoxide Ozone Water vapour Carbon dioxide Carbon monoxide Ozone Water vapour Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry ‘Aerosol’ is known as Pollutant gas, present in air Suspended solid particles in air Green house gas present in air Microbes, present in air Pollutant gas, present in air Suspended solid particles in air Green house gas present in air Microbes, present in air ANSWER DOWNLOAD EXAMIANS APP