Chemistry The purest form of Iron is : Steel Cast iron Pig iron Wrought iron Steel Cast iron Pig iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The temperature of oxy-acetylene flame is around 3600°C 3200°C 4000°C 2800°C 3600°C 3200°C 4000°C 2800°C ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 4.84 x 1017 6.023 x 1023 1.568 x 103 6.023 x 1019 4.84 x 1017 6.023 x 1023 1.568 x 103 6.023 x 1019 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Muddy water is treated with alum in purification process, itis termed as : Adsorption Emulsification Coagulation Absorption Adsorption Emulsification Coagulation Absorption ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of Ozone layer is mainly due to Radioactive rays Volcanic eruptions Chlorofluorocarbons Aviation fuels Radioactive rays Volcanic eruptions Chlorofluorocarbons Aviation fuels ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.201 0.323 0.158 0.273 0.201 0.323 0.158 0.273 ANSWER DOWNLOAD EXAMIANS APP