Marsh gas is:
A. Methane
B. Ethane
C. Hydrogen
D. Nitrogen
In Dry cell, cathode is made up of:
A. Zinc
B. Carbon (Graphite)
C. ZnCl²
D. MnO²(Pyrolusite)
The equation that represents the relationship of Faraday’s first law of electrolysis is _______?
A. Z=At
B. w=ZAt
C. w=Z/At
D. Z= At/M
During electrolysis of Water, the product obtained at cathode is:
A. Hydrogen Gas &Water
B. Oxygen Gas &Water
C. Only oxygen
D. Only Water
Aamir khan Hullio
In electrolysis of NaCl the product obtained at cathode is:
A. Sodium ions
B. Chloride ions
C. Both
D. Remain at the bottom
Which of the following is non spontaneous cell?
A. Electrolytic cell
B. Galvanic cell
C. Daniel cell
D. Not
The bond energy of Hydrogen molecule is:
A. 110Kcal/mol
B. 106Kcal/mol
C. 104Kcal/mol
D. 150KJcal/mol
The Ionization energy of Hydrogen is:
A. 10.54ev
B. 12.54ev
C. 13.6ev
D. 17.56ev
The Electronegativity of Hydrogen is _____.
A. 2.8
B. 2.2
C. 3.1
D. 1.8
The whole universe is made up of almost _____of Hydrogen?
A. 50%
B. 60%
C. 70%
D. 80%