Freezing of liquids to solids is a _____________ change
Irreversible
Chemical
Physical
Permanent
Conversion of milk to curd is a _________ change
Both a & b
None of these
During the sublimation of Iodine what changes will you observe?
A change in the mass of specific substances can takeplace in _____ change.
Glowing of can electric bulb is a ______ change.
When we heat the sugar what change will occur?
Both a and b
Which change is temporary and easily reversible?
Energy is either absorbed or evolved during ________________ change.
Temporary
Reversible
Burning of paper is a ___________ change.
Heating of sulphur is a _________ change