Chemistry Milk is a Mixture None of these Metal Element Mixture None of these Metal Element ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Carbon-14 Phosphorus-31 Radium Tritium Carbon-14 Phosphorus-31 Radium Tritium 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 All isotopes of the same element have ________ Different atomic numbers and different atomic mass Different atomic numbers and the same atomic mass The same atomic number and the atomic mass The same atomic number but different atomic masses Different atomic numbers and different atomic mass Different atomic numbers and the same atomic mass The same atomic number and the atomic mass The same atomic number but different atomic masses ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater is slightly acidic due to the presence of Carbon dioxide Methane Sulphur dioxide None of these Carbon dioxide Methane Sulphur dioxide None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Calcium oxide Zinc oxide Magnesium oxide Aluminium oxide Calcium oxide Zinc oxide Magnesium oxide Aluminium oxide ANSWER DOWNLOAD EXAMIANS APP