A sample was weighted using two different balances. the results were (1) 3.926 g (2) 4.0 g. How would the weight of the sample be ..
Assertion : A certain element X, forms three binary compounds with chlorine containing 59.68%, 68.95% and 74.75% chlorine respecti..
The addition of a polar solvent to a solid electrolyte results in
Sodium is made by the electrolysis of a molten mixture of about 40% NaCL and 60% CaCL2 because
On the electrolysis of aqueous solution of sodium sulphate, on cathode we get
In Br3O8 compound, oxidation number of bromine is
During electrolysis, the species discharged at cathode are
A mixture of ZnCL2 and PbCl2 cab be separated by
oxidation number of S in 2/4-
The prefix 10
Which pair of electrolyte could not be distinguished by the products of electrolysis using inert electrodes
Which of the following halogen can be purified by sublimation
Which of the following aqueous solution will conduct an electric current quite well
Give the products available on the cathode and the anode respectively during the electrolysis of an aqueous solution of MgSO4 betw..
Use of electrolysis is
Dimension of pressure are same as that of
During the electrolysis of an electrolyte, the number of ions produced, is directly proportional to the
Strong electrolyte are those which
In the final answer of the expression
One fermi is
In the electrolysis of acidulated water, it is desired to obtain 1.12 cc of hydrogen per second under STP condition. The current t..
The electrolyte used in Lechlanche cell is
9.65 C of electric current is passed through fused anhydrous MgCl2 . The magnesium metal thus obtained is completely converted int..
Two different electrolytic cells filled with molten Cu (NO3 )2 and molten Al(NO3 )3 respectively are connected in series. When ele..
The unit J Pa-1 is equivalent to
A mixture of sand and iodine can be separated by
One atmosphere is equal to
When a quantity of electricity is passed through CuSO4 solution, 0.16 g of copper gets deposited. If the same quantity of electric..
In electrolysis of aqueous copper sulphate, the gas at anode and cathode is
The product formed when an aqueous solution of NaBr is electrolysed in a cell having inert electrodes are
Degree of ionisation of a solution depends upon
In the electrolysis of which solution, OH- ions are discharged in preference to Cl- ions
If Cl2 is passed through hot aqueous NaOH, the products formed have Cl in different oxidation states. These are indicated as
Which one of the following is not an element
During the electrolysis of fused NaCL, which reaction occurs at anode
Electrolysis is a process in which the cations and anions of the electrolyte are
Electrolysis of aqueous HCL solution produces
The prefix zepto stands for (in m)
A solution of CuSO4 is electrolysed for 10 min with a current of 1.5 A. What is the mass of copper deposited at the cathode?
Impure copper containing Fe, Au, Ag as impurities is electrolytically refined. A current of 140 A for 482.5s and decreased the mas..
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