Chemistry Total number of elements in the Periodic table 115 127 112 118 115 127 112 118 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Phthalic acid Cinnamic acid Benzoic acid Oxalic acid Phthalic acid Cinnamic acid Benzoic acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in Monazite sand ? Thorium Sodium Potassium Uranium Thorium Sodium Potassium Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Filtration Sedimentation Flocculation Water softening Filtration Sedimentation Flocculation Water softening ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Phosphoric acid Boric acid Sulphuric acid Carbonic acid Phosphoric acid Boric acid Sulphuric acid Carbonic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to Positive rays X-rays ? and ? rays ?-rays Positive rays X-rays ? and ? rays ?-rays ANSWER DOWNLOAD EXAMIANS APP