During the sublimation of Iodine what changes will you observe?
Physical
Chemical
Both a & b
None of these
Which can be determined by simple physical observations and measured without changing the composition of the substance?
Physical properties
Chemicalpropertics
Composition
Concentration
Reaction between iodine and phosphorous is taken place by which method?
Heating
Mixing
Light
Electricity
During the electrolysis of water __________ changes occurs
Both a and b
In which change no new substance is formed ?
Rusting of iron is a ________________ change
Temporary
Reversible
Freezing of liquids to solids is a _____________ change
Irreversible
Permanent
Conversion of milk to curd is a _________ change
Heating of sulphur is a _________ change
Glowing of can electric bulb is a ______ change.
