properties changed atler hosting
studentenhet a piece of chalk and mixed the chalk powder in 100 ml water. The water
appeared white and louds er some time the particles sented at the bottom of the container
She claims that the mixture is a suspension What justifies her claim?
a. The particles mis completely with water
The particles of chalk form a scparate laver
The particles or chalk are visite through the naked
The particles or chalk are uniformly dismibuted in water
Lach question carries 2 marks
al solution contains og or sugar in 350 g of water. Calculate the concentration of solution in
terms of mass by mass porcent of the solution
7. Inte no application of chromatography
2
Classit the following into physical or chemsal change
a buming ora candle trezing of watere mixing of iron Allings and sand a tading of clothes
Each question carries maths
9. Draw a flow diagram showing the process or obtainme gases from air
10. When is a solution said to be saturated? What happens when a hot saunated sohanon is
11 . Mention in tabular form any no differences ben een heterogeneous and homogeneous
more
D. State the separation techmque used for the separation or the following
Copper sulphate from its solution in water,
Each question camies maths
12. Can we separate kerosene oil dissolved in water by using a separating funnel? If yes, then
describe the proceduriith the hell diaram
Answers
Answered by
3
Answer:
The water
appeared white and louds er some time the particles sented at the bottom of the container
She claims that the mixture is a suspension What justifies her claim?
a. The particles mis completely with water
Explanation:
Answered by
0
Answer:
powder in 100 ml water. The water
appeared white and louds er some time the particles sented at the bottom of the container
She claims that the mixture is a suspension
Similar questions