Chemistry The gas used for filling weather balloons is Hydrogen Helium Nitrogen Air Hydrogen Helium Nitrogen Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry An element of atomic no. 29 belongs to D-block S-block P-block F-block D-block S-block P-block F-block ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Carbonic acid Boric acid Sulphuric acid Phosphoric acid Carbonic acid Boric acid Sulphuric acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a commercial source of energy? Agricultural waste Dried dung Sun Natural gas Agricultural waste Dried dung Sun Natural gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is ozone helium methane oxygen ozone helium methane oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cloud is a colloidal dispersion of Air in a dispersion medium of water Fog in a dispersion medium of water Mist in a dispersion medium of air Water drops in a dispersion medium of air Air in a dispersion medium of water Fog in a dispersion medium of water Mist in a dispersion medium of air Water drops in a dispersion medium of air ANSWER DOWNLOAD EXAMIANS APP