Chemistry The mass of one Avogadro number of helium atom is 4.00 gram 8.00 gram 4 x 6.02 x 1023 gram 1.00 gram 4.00 gram 8.00 gram 4 x 6.02 x 1023 gram 1.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry The sewage obtained from water closets and urinals is known as Sullage Industrial waste Sanitary waste Garbage Sullage Industrial waste Sanitary waste Garbage ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal chiefly used for galvanising iron is : Zinc Mercury Cadmium Tin Zinc Mercury Cadmium Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stalactites and Stalagmites form due to the precipitation of : MgCO3 CaCO3 CaCl2 MgCl2 MgCO3 CaCO3 CaCl2 MgCl2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Tritium Carbon-14 Phosphorus-31 Radium Tritium Carbon-14 Phosphorus-31 Radium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of Iron is : Steel Pig iron Wrought iron Cast iron Steel Pig iron Wrought iron Cast iron ANSWER DOWNLOAD EXAMIANS APP