Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 3 (25 MCQs)

Quiz Instructions

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1. Current leaves the electrolyte through the
2. Determine the total number of neutrons in three isotopes of hydrogen
3. What group and period is Hydrogen in?
4. Hydrogen fuel cells create what kind of energy?
5. What are the emissions of a hydrogen fuel cell.
6. Which of the following would best remove Sharpie marker from your wall if this marker is known to be non-water soluble?
7. What effect does agriculture runoff have on water quality
8. Water free from the soluble salt of calcium and magnesium is called .....
9. French Chemist and Biologist who named the element Hydrogen
10. WHICH IS THE SERIES CANT BE OBTAIN IN HYDROGEN SPECTRUM
11. Most aboundant isotops of hydrogen is
12. Fill in the blanks:-Hydrogen combines with CO$_{2}$ at a temperature of ..... $^{.}$c to form Methane and Water.
13. Injection andwithdrawal can be donesimultaneously in a storage of hydrogen in saltcavern:
14. The mas of a hydrogen molecule is
15. How do you produce hydrogen biologically
16. Certain blue lights have a frequencey of 6.91x10$^{14}$Hz. What is the wavelength? ($\lambda$=c/v)
17. What is the maximum voltage that can be supplied by an alkaline hydrogen/oxide fuel cell? You will need your electrochemical series.
18. Hydrogen peroxide oxidises [Fe(CN)$_{6}$]$^{4-}$ to [Fe(CN)$_{6}$]$^{3-}$ in acidic medium but reduces[Fe(CN)$_{6}$]$^{3-}$ to [Fe(CN)$_{6}$]$^{4-}$ in alkaline medium. The other products formed are, respectiv
19. True or False:-Hydrogen supports combustion, but is not combustible.
20. Atomic no.of Hydrogen is
21. If an electron moves from n=2 to n=4 .....
22. The element other than hydrogen which forms a molecule containing a single covalent bond
23. What happens to melanin in the cortex of the hair during bleaching/coloring?
24. How can hydrogen fuel cells be integrated into transportation?
25. What is the process called to separate Hydrogen from water?