Assertion : Gases combine in simple ratio of their volume but, not always.
Reason : Gases deviate from ideal behaviour.
A sample of phosphorus trichloride (PCL3) contains 1.4 moles of the substance. how many atoms are there in atoms sample
The significant figures in 34.00 are
Assertion : 1.231 has three significant figures.
Reason : All numbers right to the decimal point are significant
Given P=0.0030m , Q=2.4m , R=3000m , significant figures in P,Q and R are respectively
The passege of current liberates H2 at cathode and CL2 at anode. The solution is
Assertion : Atoms can neither be created nor destroyed.
Reason : Under similar condition of temperature and pressure, equal volume..
In Br3O8 compound, oxidation number of bromine is
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..
On the electrolysis of aqueous solution of sodium sulphate, on cathode we get
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 : Isomorphous sustances form crystals of same shape and can grow in saturated solution of each other.
Reason : They have..
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
Which pair of electrolyte could not be distinguished by the products of electrolysis using inert electrodes
Sodium is made by the electrolysis of a molten mixture of about 40% NaCL and 60% CaCL2 because
A mixture of sand and iodine can be separated by
During electrolysis, the species discharged at cathode are
oxidation number of S in 2/4-
In the electrolysis of acidulated water, it is desired to obtain 1.12 cc of hydrogen per second under STP condition. The current t..
Which of the following halogen can be purified by sublimation
A mixture of ZnCL2 and PbCl2 cab be separated by
The prefix zepto stands for (in m)
9.65 C of electric current is passed through fused anhydrous MgCl2 . The magnesium metal thus obtained is completely converted int..
Which of the following aqueous solution will conduct an electric current quite well
Strong electrolyte are those which
The electrolyte used in Lechlanche cell is
One fermi is
Give the products available on the cathode and the anode respectively during the electrolysis of an aqueous solution of MgSO4 betw..
The prefix 10
Two different electrolytic cells filled with molten Cu (NO3 )2 and molten Al(NO3 )3 respectively are connected in series. When ele..
Dimension of pressure are same as that of
During the electrolysis of an electrolyte, the number of ions produced, is directly proportional to the
The product formed when an aqueous solution of NaBr is electrolysed in a cell having inert electrodes are
During the electrolysis of fused NaCL, which reaction occurs at anode
When a quantity of electricity is passed through CuSO4 solution, 0.16 g of copper gets deposited. If the same quantity of electric..
Degree of ionisation of a solution depends upon
Use of electrolysis is
The unit J Pa-1 is equivalent to
One atmosphere is equal to
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