A) Reversible changes
B) Chemical change
C) Physical change
D) Irreversible change
A) Physical change
B) Irreversible change
C) Option A is correct
D) None of these
A) Irreversible
B) Reversible
C) Chemical
A) Reversible
B) Irreversible
C) Option B is correct
A) Physical changes
B) Chemical changes
C) Irreversible changes
D) Both B & C
A) Inorganic
B) Chemicals
C) Organic
A) CO2
B) Water
C) Energy
D) All of them are correct
A) Polyether
B) Polymerization
C) Chemical process
A) Hydrogenation
C) Polythene
D) None of the above
A) 300-350 degree
B) 250-300 degree
C) 400 degree
A) Monomer
B) Polymer
C) Element
D) Fertilizer
A) Two
B) Three
C) Four
D) Five
A) Conduction
B) Convection
C) Radiation
A) Conductor
A) Liquid
B) Solid
C) Gas
D) Air
B) Radiation
C) Convection
A) Convection
B) Conduction
A) Radiation
D) Magnetization
D) Evaporation
A) Good reflector
B) Good reflector and poor absorber
C) Poor absorber
D) Poor reflector and good absorber