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condensation
evaporation
deposition
sublimation
When a lead storage battery is discharged,
When a spoon is to be electroplated with nickel the spoon is
When an iron nail is put in copper sulphate solution, the colour of the solution turns green. This is because_.
When conc. H2 SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to
When does a saturated hydrocarbon gives a sooty flame on burning?
When formaldehyde & potassium hydroxide are heated, we get
When formaldehyde and potassium hydroxide are heated , we get
When iron and wood are exposed to sunlight, the iron rod becomes hot quickly because of
When spectral lines obtained from atomic spectra is placed in a magnetic field they are splitted into number of fine lines, this is called ..........
When the nucleus of Uranium is bombarded with neutrons, it breaks up into two nuclei of nearly equal mass. this process is called
