General Science Permanent hardness of water can be removed by adding Chlorine Potassium Permanganate Bleaching Powder Washing Soda Chlorine Potassium Permanganate Bleaching Powder Washing Soda ANSWER DOWNLOAD EXAMIANS APP
General Science The percentage of oxygen present in air is approximately- 0.21 0.4 0.44 0.23 0.21 0.4 0.44 0.23 ANSWER DOWNLOAD EXAMIANS APP
General Science Atoms are composed of: Electrons and Nuclei Electrons only Protons only Electrons and protons Electrons and Nuclei Electrons only Protons only Electrons and protons ANSWER DOWNLOAD EXAMIANS APP
General Science Actinides are the elements with atomic numbers from 36 from 43 101 to 115 89 to 103 97 to 104 36 from 43 101 to 115 89 to 103 97 to 104 ANSWER DOWNLOAD EXAMIANS APP
General Science The average salinity of sea water is 3.5% 4% 3.5% 3% 3.5% 4% 3.5% 3% ANSWER DOWNLOAD EXAMIANS APP
General Science Washing soda is the common name for Calcium Bicarbonate Sodium Bicarbonate None of the listed here Sodium Carbonate Calcium Bicarbonate Sodium Bicarbonate None of the listed here Sodium Carbonate ANSWER DOWNLOAD EXAMIANS APP
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