VI CDF 11/12

The substance which contains only one kind of particles, constituents,molecules or compounds is called as ____

• Impure substance

• Pure substance

• Both 1&2

• None of the above

Which one of the following is not an example of pure substance?

• Copper

• Iron

• Salt

• Air

The unwanted particles present in pure substance which makes them impure is called as _____.

• Purity

• Impurities

• Pure substances

• None of the above

The substances which contain more than one type of constituents is called as

• Pure substance

• Impurities

• Impure substances

• None

The substances, which contain more than one kind of particles or constituents, which mixed at any ratio are called as ____

• Impurities

• Pure substances

• Impure substances

• Mixture

The example of mixtures is

• H2

• CO2

• H2O

• Air

The mixture in which constituents particles can not be seen is called as _____

• Mixture

• Homogenous mixture

• Heterogeneous mixture

• None

The mixtures in which constituents particles can be seen are called as _____

• Mixture

• Homogenous mixture

• Heterogeneous mixture

• None

The substances which dissolves completely in water is called as

• Solute

• Solvent

• Solution

• None

The substances which dissolves completely in water is called as

• Solute

• Solvent

• Solution

• None