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mnsoomro
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Which of the following method is used to separate Hydrogen gas from water Gas?
A. Bosch Process B. Cyber Twinkling process C. Palladium process D. Steam process Submitted by :- Jamil Ahmed
Hydrogen Gas can be prepared by thermal decomposition of Methane in the absence of Air at above____
A. 500⁰C B. 700⁰C C. 900⁰C D. 1300⁰C Submitted by :- Jamil Ahmed
Which one of the following radiation has the longer wavelength ?
A. infra red B. visible C. x-ray D. ultra violet E. gamma rays Submitted by :- Jamil Ahmed
Metal are highly ___________ ?
A. Electropositive B. Electronegativity C. Both of these D. Neutral Submitted by :- Jamil Ahmed
Atomic number of Mn is 25 what is the electronic configuration in the ground state________________?
A. 1s2 2s2 2p6 3s2 3p6 3d7 B. 1s2 2s2 2p6 3s2 3p6 4s2 4p5 C. 1s2 2s2 2p6 3s2…
Black foot disease is caused by the pollution of groundwater as a consequence of increased seepage of:__________?
A. Nitrates B. Fluorides C. Arsenic D. Mercury Submitted by :- Jamil Ahmed
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 Submitted by :- Jamil Ahmed
In electrolysis of NaCl the product obtained at cathode is_______.
A. Sodium ions C. Both B. Chloride ions D. Remain at the bottom of the cell Submitted by :- Jamil…
Which of the following is non spontaneous cell?
A. Electrolytic cell B. Galvanic cell C. Daniel cell D. Not Submitted by :- Jamil Ahmed
The Ionization energy of Hydrogen is __________?
A. 1.54ev B. 12.54ev C. 13.6ev D. 17.56ev Submitted by :- Jamil Ahmed