Chemistry The purest form of water in nature is Rain water Sea water River water Lake water Rain water Sea water River water Lake water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Burning coal Burning garbage Coal fire Steam engine Burning coal Burning garbage Coal fire Steam engine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Thorium Zirconium Uranium Plutonium Thorium Zirconium Uranium Plutonium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has the highest lattice energy KF CsF RbF NaF KF CsF RbF NaF ANSWER DOWNLOAD EXAMIANS APP
Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Half a million One million Ten million Two million Half a million One million Ten million Two million ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as non-stick coating for cooking utensils? Perspex Polystyrene Styrofoam Teflon Perspex Polystyrene Styrofoam Teflon ANSWER DOWNLOAD EXAMIANS APP