Evaporation is a:
Physical change
Chemical change
Both of the above
Permanent change
Cakes are made fluffy by adding
Yeast
Sodium bi carbonate
Both yeast and sodium bicarbonate
Lemon juice
Tearing of paper is a
None of the above
When sugar is added to water, to make a solution, sugar is called:
Solvent
Solute
Reactant
Product
The solubility of solute depends on
Temperature
Pressure
Melting point
Boiling point
Which of the following is a chemical change?
Rusting of iron
Condensation
Evaporation
Knitting of wool
Cooking of food is a .
Which is the universal solvent?
Water
Kerosene
Sulphuric acid
Turpentine
The process of forming new types of molecules by chemical changes is called
Chemical reaction
Rusting
The process of converting vapours to liquid is called
Freezing
