Empirical Formula Quiz PDF: Questions and Answers - 11

MCQ 51: In combustion analysis, % of hydrogen is calculated from

1. CH
2. CO
3. H₂O
4. CO₂

MCQ 52: The combustion of carbon in oxygen is an example of

1. Endothermic reaction
2. Exothermic reaction
3. Displacement reaction
4. Neutralization reaction

MCQ 53: Chromium VI is highly toxic causing disease of

1. Kidney
2. Lungs
3. Nervous system
4. Cancer

MCQ 54: In case of very small burns, the burnt place should be dipped in

1. 8 % NaHCO₃ solution
2. 9 % NaHCO₃ solution
3. 10 % NaHCO₃ solution
4. 20 % NaHCO₃ solution

MCQ 55: The quantum number that gives orientation of orbitals in space is

1. Principal quantum number
2. Spin quantum number
3. Magnetic quantum number
4. Azimuthal quantum number