What type of change is making 'Roti' with a dough ball?
All the above
Chemical
Reversible
Irreversible
Making 'roti' is an irreversible change since the properties of roti are different from dough ball.
Photosynthesis is a physical or chemical change; reversible or Irreversible.
Clotting of blood is a physical or chemicalchange; reversible or Irreversible.
Liberation of oxygen occurs in the process of what
Inflation of a balloon is a physical or chemicalchange; reversible or Irreversible
Which of the following changes are Reversible and Irreversible?
(a) Blowing of a balloon
(b) Folding a paper to make a toy aeroplane
(c) Rolling a ball of dough to make roti
(d) Baking cake in an oven
(e) Drying a wet cloth
(f) Making biogas from cow dung
(g) Burning of a candle
Four students have their own opinion about reversible and irreversible changes. Who among the following is correct?
Rohan: Both physical and chemical changes are reversible.
Sam: Both physical and chemical changes are irreversible.
Tom: Physical changes are irreversible and chemical changes are reversible.
Riah: Chemical changes are irreversible and physical changes are reversible
Categorize rolling of dough and baking of roti as physical or chemical changes.