MCQ - NIOS Class 10 Science & Technology What is molecular mass? In what way it is different from the molar mass? 08/03/2023 WNA24 76 Views 0 Comments Read more
MCQ - NIOS Class 10 Science & Technology 1) Work out a relationship between number of molecules and mole. 08/03/2023 WNA24 78 Views 0 Comments Read more
MCQ - NIOS Class 10 Science & Technology Calculate molecular mass of the compounds whose formulas are provided below:C2H4, H2O and CH3OH. 08/03/2023 WNA24 106 Views 0 Comments Read more
MCQ - NIOS Class 10 Science & Technology Atomic number of silicon is 14. If there are three isotopes of silicon having 14,15 and 16 neutrons in their nuclei, what would be the symbol of the isotope? 08/03/2023 WNA24 84 Views 0 Comments Read more
MCQ - NIOS Class 10 Science & Technology Nitrogen forms three oxides: NO, NO2 and N2O3. Show that it obeys law of multiple proportions. 08/03/2023 WNA24 75 Views 0 Comments Read more
MCQ - NIOS Class 10 Science & Technology 12 g of magnesium powder was ignited in a container having 20 g of pure oxygen. After the reaction was over, it was found that 12 g of oxygen was left unreacted. Show that it is according to law of constant proportions. 08/03/2023 WNA24 85 Views 0 Comments Read more
MCQ - NIOS Class 10 Science & Technology Name the scientists who proposed the law of conservation of mass and law of constant proportions. 08/03/2023 WNA24 105 Views 0 Comments Read more
MCQ - NIOS Class 10 Science & Technology Identify the most appropriate method to separate the following 08/02/2023 WNA24 132 Views 0 Comments Read more
MCQ - NIOS Class 10 Science & Technology Why is it important to store cooking gas cylinder away from heat and flame? 08/02/2023 WNA24 104 Views 0 Comments Read more
MCQ - NIOS Class 10 Science & Technology To make a given solution more concentrated, what will you add? 08/02/2023 WNA24 128 Views 0 Comments Read more