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mnsoomro
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Electrolysis of dilute solution of NaCl results at the anode_______________?
A. sodium B. hydrogen C. chlorine D. oxygen Submitted by :- Jamil Ahmed
Carnalite has chemical formula__________________?
A. KCI B. KCI.MgCl2.6H2O C. Na2B4O7.1H2O D. CaCO3.MgCO3 Submitted by :- Jamil Ahmed
NaOH is named as caustic soda because________________?
A. It corrodes the organic tissues B. It is used in soda water C. It reacts with chlorine gas D.…
First ionization potential of alkaline earth metal is greater than alkali metals because___________________?
A. They are more reactive B. They have greater atomic radii C. They have smaller atomic sizes D. All Submitted…
Alkali and alkaline earth metals impart colours when heated over burner. It is due to______________?
A. Smaller electronegativity of alkali metals B. Smaller ionic radius of these metals C. De-excitation of electrons from higher energy…
In diaphragm cell level of brine in anode compartment is kept slightly higher which prevents_______________?
A. Hydroxide ions to reach anode B. Chlorine gas to mix C. Cathode to decay D. All of the above…
The deliquescence is a property in which a solid____________________?
A. Absorbs moisture and remains solid B. Absorbs moisture and turns to liquid form C. Loses water of crystallization D.…
Which one of the following gives white precipitate with aqueous solution of BaCl2?
a. NaHCO3 B. NaNO3 C. Na2CO3 D. Na2CrO4 Submitted by :- Jamil Ahmed
Gypsum is applied to the soil as a source of________________?
A. Ca and P B. S and P C. Ca and S D. we could not apply Submitted by :-…
In diaphragm cell hydrogen is discharged by the reduction of__________________?
A. Water B. HCI C. Na+ D. NaCl Submitted by :- Jamil Ahmed