Some Basic Concepts of Chemistry · Chemistry · MHT CET (Biology)
MCQ (Single Correct Answer)
1
What is the percentage by mass of oxygen in water, if percentage by mass of hydrogen is $11.1 \%$ ?
MHT CET (PCB) 2024 22th April Evening Shift
2
What is the ratio of mass of nitrogen that combines with 16 parts by weight of oxygen in $\mathrm{N}_2 \mathrm{O}, \mathrm{NO}, \mathrm{NO}_2$ ?
MHT CET (PCB) 2024 22th April Morning Shift