Assertion : A certain element X, forms three binary compounds with chlorine containing 59.68%, 68.95% and 74.75% chlorine respecti..
One part of an element A combines with two parts of another B. Six parts of the element C combine with four parts of the element b..
Assertion : 1.231 has three significant figures.
Reason : All numbers right to the decimal point are significant
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 ..
Sodium is made by the electrolysis of a molten mixture of about 40% NaCL and 60% CaCL2 because
The addition of a polar solvent to a solid electrolyte results in
On the electrolysis of aqueous solution of sodium sulphate, on cathode we get
Use of electrolysis is
Given P=0.0030m , Q=2.4m , R=3000m , significant figures in P,Q and R are respectively
Which of the following halogen can be purified by sublimation
In Br3O8 compound, oxidation number of bromine is
Dimension of pressure are same as that of
A mixture of ZnCL2 and PbCl2 cab be separated by
Strong electrolyte are those which
During electrolysis, the species discharged at cathode are
In the final answer of the expression
The prefix 10
During the electrolysis of an electrolyte, the number of ions produced, is directly proportional to the
Which of the following aqueous solution will conduct an electric current quite well
One fermi is
The unit J Pa-1 is equivalent to
Electrolysis is a process in which the cations and anions of the electrolyte are
One atmosphere is equal to
The product formed when an aqueous solution of NaBr is electrolysed in a cell having inert electrodes are
Electrolysis of aqueous HCL solution produces
During the electrolysis of fused NaCL, which reaction occurs at anode
In the electrolysis of which solution, OH- ions are discharged in preference to Cl- ions
A mixture of sand and iodine can be separated by
On electrolysing a solution of dilute H2SO4 between platinum electrodes, the gas evolved at the anode is
In electrolysis of aqueous copper sulphate, the gas at anode and cathode is
The electrolyte used in Lechlanche cell is
Which one of the following is not an element
Which one of the following material conducts electricity
Electrolysis in volves oxidation and reduction respectively at
During electrolysis of NaCL solution, part of the reaction is Na+ + e- --> Na. this is termed as
oxidation number of S in 2/4-
Which pair of electrolyte could not be distinguished by the products of electrolysis using inert electrodes
Degree of ionisation of a solution depends upon
Which of the following compounds will not undergo decomposition on passing electricity through aqueous solution
Pure water does not conduct electricity because it is
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