Which depend on the composition or change in composition of a substance?
physical properties
Chemical properties
Density
Melting point
Freezing of liquids to solids is a _____________ change
Irreversible
Chemical
Physical
Permanent
Energy is either absorbed or evolved during ________________ change.
Temporary
Reversible
Rusting of iron is a ________________ change
In which change no new substance is formed ?
Both a & b
None of these
Burning of paper is a ___________ change.
During the electrolysis of water __________ changes occurs
Both a and b
A change in the mass of specific substances can takeplace in _____ change.
Reaction between iodine and phosphorous is taken place by which method?
Heating
Mixing
Light
Electricity
During the sublimation of Iodine what changes will you observe?
