Chemistry What is the element that is in the highest percentage in the composition of the earth ? Oxygen Iron Magnesium Silicon Oxygen Iron Magnesium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ore of Aluminium is Bauxite Chalco pyrites Fluorspar Hematite Bauxite Chalco pyrites Fluorspar Hematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following species has the highest bond order, shortest bond length and maximum bond strength O+2 O-2 O2 O-22 O+2 O-2 O2 O-22 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is NaHCO3 Na2CO3.10H2O Na2SO4.10H2O Ca(OH)2 NaHCO3 Na2CO3.10H2O Na2SO4.10H2O Ca(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water is not effective in extinguishing a fire caused by petrol because The flame is too hot for water to cool it down Water and petrol react chemically Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol are miscible with each other The flame is too hot for water to cool it down Water and petrol react chemically Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol are miscible with each other ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical bahaviour of an atom depends upon The number of electrons orbiting around the nucleus The number of neutrons in the nucleus The number of protons in its nucleus The number of nucleons in the nucleus The number of electrons orbiting around the nucleus The number of neutrons in the nucleus The number of protons in its nucleus The number of nucleons in the nucleus ANSWER DOWNLOAD EXAMIANS APP
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