Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . X–rays Infra-red (IR) Ultraviolet rays (UV) Gamma rays X–rays Infra-red (IR) Ultraviolet rays (UV) Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of fertilizers ? Lead Fluorine Potassium Aluminium Lead Fluorine Potassium Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal compound commonly found in Sindhoor or Kumkum is based on Tin Copper Lead Zinc Tin Copper Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry In ice, the number of hydrogen bonds per water molecule is 4 2 1 8 4 2 1 8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not present in cement ? Alum Clay Alumina Gypsum Alum Clay Alumina Gypsum ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Carbondioxide Nitrogen Sulphurdioxide Oxygen Carbondioxide Nitrogen Sulphurdioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
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