Chemistry In ice, the number of hydrogen bonds per water molecule is 8 4 2 1 8 4 2 1 ANSWER DOWNLOAD EXAMIANS APP
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 The method that cannot be used for removing permanent hardness of water is adding sodium carbonate boiling adding caustic soda distillation adding sodium carbonate boiling adding caustic soda distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Terylene is a condensation polymer of ethylene glycol and which acid? Terephthalic acid Benzoic Acid Phthalic acid Salicylic acid Terephthalic acid Benzoic Acid Phthalic acid Salicylic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Plaster of Paris' commonly used for setting broken bones is Calcium sulphate Calcium chloride Calcium nitrate Calcium carbonate Calcium sulphate Calcium chloride Calcium nitrate Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the constituents of tear gas is Ethane Chloropicrin Ether Ethanol Ethane Chloropicrin Ether Ethanol ANSWER DOWNLOAD EXAMIANS APP
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