Conversion of milk to curd is a _________ change
Chemical
Physical
Both a & b
None of these
Rusting of iron is a ________________ change
Temporary
Reversible
Energy is either absorbed or evolved during ________________ change.
Which change is temporary and easily reversible?
Permanent
Irreversible
When we heat the sugar what change will occur?
Both a and b
In which change no new substance is formed ?
During the sublimation of Iodine what changes will you observe?
Burning of paper is a ___________ change.
A change in the mass of specific substances can takeplace in _____ change.
Glowing of can electric bulb is a ______ change.
