HARD
6th CBSE
IMPORTANT
Earn 100

Salt and sugar in powdered form are mixed together uniformly to form a mixture. Do you think, this mixture will form a different compound due to change in their respective molecule?

Important Questions on Separation of Substances

HARD
6th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 5 - Separation of Substances>THINK AND ANSWER>Q 2
If all parts of a mixture show the same properties, what kind of mixture is it? Explain your answer.
HARD
6th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 5 - Separation of Substances>THINK AND ANSWER>Q 3
Insoluble solid particles A are present in a beaker of water. Rohan brings substance B to make soluble particles present the beaker settle down. After adding B to the water in beaker, insoluble particles B settle down at the bottom of the beaker due to the process C. Rohan then pours clear water from the beaker into another vessel using a process D. Write the names of A,B,C, and D involved in the whole process of separation.
HARD
6th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 5 - Separation of Substances>DISCUSS>Q 1
John's mother was making sugar syrup for jalebis. She took some water in a pan and added two cups of sugar to it and stirred to dissolve the sugar properly. She wants to add more sugar, but it is not dissolving in it any more. What do you suggest her to ensure that more sugar dissolves in this solution?
HARD
6th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 5 - Separation of Substances>DISCUSS>Q 2
Is it correct to say that 'all solutions are mixtures, but all mixtures are not solutions'? Justify your statement by giving examples.
HARD
6th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 5 - Separation of Substances>DISCUSS>Q 3
Nisha made a cup of tea using milk, sugar, and a tea bag. While pouring the tea in the cup, she didn't use a strainer. Can you guess why? What acted as a sieve here?
HARD
6th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 5 - Separation of Substances>SUBJECT CONNECT
Sort the following into homogeneous and heterogeneous mixture:
Cereal in milk, blood, salt and water, air, smog, rain, soil, orange juice, sand and water, lemonade, fruit salad, cookies and carbonated water.
What fraction of the total is the homogenous mixture and the heterogeneous mixture? Find the ratio of homogeneous mixture to the heterogeneous mixture.