Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 6 –3 to + 5 –3 to + 4 –3 to + 3 –3 to + 6 –3 to + 5 –3 to + 4 –3 to + 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x 7.2 x 5x/36 x/6 5x 7.2 x 5x/36 x/6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is made of Calcium Silicate Calcium Sulphate Sodium Sulphate Sodium Silicate Calcium Silicate Calcium Sulphate Sodium Sulphate Sodium Silicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Methane Hydrogen Ethanol Butane Methane Hydrogen Ethanol Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the highest electronegativity value Fluorine Chlorine Nitrogen Lithium Fluorine Chlorine Nitrogen Lithium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicone is a polymer of Silane Dialkyl dichloro silane Tetraalkyl silane Silicon tetrachloride Silane Dialkyl dichloro silane Tetraalkyl silane Silicon tetrachloride ANSWER DOWNLOAD EXAMIANS APP
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