Chemistry The oxidation number of nickel in K4[Ni(CN)4] is 4 –4 8 Zero 4 –4 8 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Does not follow a definite pattern Increases Remains unchanged Decreases Does not follow a definite pattern Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element absorbed both in cation and anion form is Nitrogen Calcium Phosphorus Sulphur Nitrogen Calcium Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Beryllium Tantalum Ultra pure carbon Silicon Beryllium Tantalum Ultra pure carbon Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following elements is found in maximum percentage in the human body ? Oxyzen Hydrogen Carbon Nitrozen Oxyzen Hydrogen Carbon Nitrozen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is Lighter than hydrogen Non-combustible More abundant than hydrogen More stable Lighter than hydrogen Non-combustible More abundant than hydrogen More stable ANSWER DOWNLOAD EXAMIANS APP