Chemistry Heating of a ore below its melting point in the absence of air is known as Roasting Smelting Calcination Refining Roasting Smelting Calcination Refining ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fibres catches fire least ? Cotton Terricot Nylon Rayon Cotton Terricot Nylon Rayon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanised iron is made by coating iron with Zinc Nickel Sulphur Chromium Zinc Nickel Sulphur Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Remains same Decreases Cannot be predicted Increases Remains same Decreases Cannot be predicted Increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Gamma rays Ultraviolet rays (UV) Infra-red (IR) X–rays Gamma rays Ultraviolet rays (UV) Infra-red (IR) X–rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is an example of a gel ? Face cream Milk Cheese Shaving cream Face cream Milk Cheese Shaving cream ANSWER DOWNLOAD EXAMIANS APP