Cakes are made fluffy by adding
Yeast
Sodium bi carbonate
Both yeast and sodium bicarbonate
Lemon juice
Dissolving sugar or salt in water is a
Physical change
Chemical change
Both of the above
None of the above
Freezing of water is a:
Electrical change
What will happen to solubility with an increase in temperature?
Increases
Decreases
Remains the same
May increase or decrease
In a chemical change
Energy is given out
Energy is absorbed
Energy is neither given out nor absorbed
Energy is either absorbed or given out
The process of forming new types of molecules by chemical changes is called
Condensation
Chemical reaction
Evaporation
Rusting
When sugar is added to water, to make a solution, sugar is called:
Solvent
Solute
Reactant
Product
The process of converting vapours to liquid is called
Freezing
Rusting of iron is a
Knitting of wool is a.
