The Electronegativity of Hydrogen is _____.
A. 2.8 B. 2.2 C. 3.1 D. 1.8
Chemistry MCQs
The Ionization energy of Hydrogen is __________?
A. 10.54ev B. 12.54ev C. 13.6ev D. 17.56ev
The bond energy of Hydrogen molecule is__________?
A. 110Kcal/mol B. 106Kcal/mol C. 104Kcal/mol D. 150KJcal/mol
Which of the following is non spontaneous cell?
A. Electrolytic cell B. Galvanic cell C. Daniel cell D. Not
In electrolysis of NaCl the product obtained at cathode is_______.
A. Sodium ions B. Chloride ions C. Both D. Remain at the bottom of the cell
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
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
In Dry cell, cathode is made up of_______?
A. Zinc B. Carbon (Graphite) C. ZnCl² D. MnO²(Pyrolusite)
Marsh gas is _________?
A. Methane B. Ethane C. Hydrogen D. Nitrogen Marsh gas, also known as swamp gas or bog gas, is a mixture primarily of methane and smaller amounts of hydrogen sulfide, carbon dioxide, and trace phosphine that is produced naturally within some geographical marshes, swamps, and bogs.
Which one does not give borax bead test_________________?
A. Copper sulphate B. Barium sulphate C. Cobalt sulphate D. Nickel sulphate