Tamil Nadu Board Solutions for Chapter: Matter Around Us, Exercise 1: Evaluation

From the following _____ is not a mixture.

Using suitable apparatus from your laboratory separate the mixture of chalk powder, mustard oil, water and coins. Draw a flowchart to show the separation process.

Malar’s mother was preparing to cook dinner. She accidentally mixed ground nuts with urad-dhal. Suggest a suitable method to separate the two substances so that Malar can have ground nuts to eat.

In a glass containing some water, tamarind juice and sugar are added and stirred well. Is this a mixture- can you tell why? Will this solution be sweet? Or sour? Or both sweet and sour?

Justify your answer.
Arrangement of particles in three different phases of matter is shown below.

Which state is represented by fig. I? 

Justify your answer.
The arrangement of particles in three different phases of matter is shown below. 

In which will be the inter-particle attraction maximum?

Justify your answer.
Arrangement of particles in three different phases of matter is shown below.

Which one of them cannot be contained in an open vessel? 

Justify your answer.
The arrangement of particles in three different phases of matter is shown below. 

 
 Which one can take the shape of its container?