Chemistry The natural resource, known as black gold is Tin Coal Platinum Lead Tin Coal Platinum Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Lead Carbon Mica Graphite Lead Carbon Mica Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as Synergism Antagonism Independent Additives Synergism Antagonism Independent Additives 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 5x/36 7.2 x x/6 5x 5x/36 7.2 x x/6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of moles of solute present in 1 kg of a solvent is called its formality molarity molality normality formality molarity molality normality ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a soluble salt in H2O Zn(OH)2 PbCl2 CuS CaCl2 Zn(OH)2 PbCl2 CuS CaCl2 ANSWER DOWNLOAD EXAMIANS APP
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