Chemistry The number of electrons presents in H+ is one three zero two one three zero two ANSWER DOWNLOAD EXAMIANS APP
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 Which among the following coal contains 90 per cent of carbon? Lignite Anthracite Bitumen Peat Lignite Anthracite Bitumen Peat ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant metal in the Earth’s crust is Copper Iron Zinc Aluminium Copper Iron Zinc Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is 4 8 Zero –4 4 8 Zero –4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiparticle of an electron is Beta particles Proton Alpha particles Positron Beta particles Proton Alpha particles Positron ANSWER DOWNLOAD EXAMIANS APP