What is the suitable method of separating higher impurities from a mixture.
Winnowing
Hand picking
Vaporisation
Filtration
________ was the first Indian woman who travelled to the space.
Leela Bai
Fathima Beegam
Kalpana Chowla
Sarojini Naidu
The change in which the substance cannot be converted back into its
reversible
irreversible
undesirable
periodic change
Under which type of change do we classify the seasonal changes.
Fast change
Undesirable change
Periodic change
Non - periodic change
