Question

1. A liquid and a solid are found together in a single phase. What is this known as [ ]

a) Solution b) Solute c) Solvent d) Emultion

2. What are the materials which contain atleast two pure substances and show the properties of their

constituents called [ ]

a) A compound b) An element c) A mixture d) A solution

3. Which of the following is an example of a mixture ? [ ]

a) Sugar b) Brass c) CO2

d) NO2

4. What type of mixture is steel ? [ ]

a) Solid - liquid heterogeneous mixture b) Solid - solid heterogenous mixture

c) Solid - liquid homogeneous mixture d) Pure substance

5. Identify a pure substance from the following ? [ ]

a) Steel b) Magnesium c) Ammonia d) Gun powder

6. A solution which contains more amount of solute is called [ ]

a) Dilute solution b) Concentrated solution

c) Aqueous solution d) All

7. Mass by volume percentage of a solution is equal to [ ]

a) 100 Mass of solute

Volume of solution

 b) 100 Mass of solute

Mass of solution



c) 100 Mass of solvent

Mass of solution

 d) All

8. The amount of solute present in a saturated solution at a given temperature is called [ ]

a) Solution b) Solvent c) Solubility d) Saturated solution

9. Which of the following is homogeneous mixture [ ]

a) Salt + water b) Sugar + water c) Alcohol + water d) All

10. When no more solute can be dissolved in the solution at a given temperature is known as

[ ]

a) Unsaturated solution b) Saturated solution

c) Supersaturated solution d) Dilute solution​

Answer 1

Answer:

a-solution b-compound c-brass