A. Zinc
B. Carbon (Graphite)
C. ZnCl²
D. MnO²(Pyrolusite)
In Dry cell, cathode is made up of_______? Read More »
Chemistry McqsA. Z=At
B. w=ZAt
C. w=Z/At
D. Z= At/M
A. Hydrogen Gas &Water
B. Oxygen Gas &Water
C. Only oxygen
D. Only Water
Aamir khan Hullio
During electrolysis of Water, the product obtained at cathode is ___________? Read More »
Chemistry McqsA. Sodium ions
B. Chloride ions
C. Both
D. Remain at the bottom of the cell
In electrolysis of NaCl the product obtained at cathode is_______. Read More »
Chemistry McqsA. Electrolytic cell
B. Galvanic cell
C. Daniel cell
D. Not
Which of the following is non spontaneous cell? Read More »
Chemistry McqsA. 110Kcal/mol
B. 106Kcal/mol
C. 104Kcal/mol
D. 150KJcal/mol
The bond energy of Hydrogen molecule is__________? Read More »
Chemistry McqsA. 10.54ev
B. 12.54ev
C. 13.6ev
D. 17.56ev
The Ionization energy of Hydrogen is __________? Read More »
Chemistry McqsA. 2.8
B. 2.2
C. 3.1
D. 1.8
The Electronegativity of Hydrogen is _____. Read More »
Chemistry McqsA. 50%
B. 60%
C. 70%
D. 80%
The whole universe is made up of almost _______of Hydrogen? Read More »
Chemistry McqsA. Hydrogen Gas & Water
B. Oxygen Gas & Water
C. CO & Water
D. Hydrogen & Carbon monoxide
During Electrolysis of Water the product @cathode obtained is ___________? Read More »
Chemistry Mcqs