HARD
6th CBSE
IMPORTANT
Earn 100

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.

Important Questions on Separation of Substances
HARD
6th CBSE
IMPORTANT
Why can the processes of sedimentation and decantation not be used to clean water and make it safe for drinking?

HARD
6th CBSE
IMPORTANT
Two glass beakers (A and B) were taken and filled them with equal quantity of water. Now added a teaspoon full of salt in beaker A. Kept on adding one teaspoon of salt at a time. Recorded the number of teaspoons of salt that dissolved in beaker A. Now repeated the activity by adding teaspoon full of sugar in beaker B. Again recorded the number of teaspoons of full of sugar that was dissolved in beaker B.
Does the same quantity of water dissolve same amount of sugar and salt?

HARD
6th CBSE
IMPORTANT
Solubility of gases decreases with increase in temperature. Then how do you think these carbonated drinks are prepared?

MEDIUM
6th CBSE
IMPORTANT

EASY
6th CBSE
IMPORTANT

EASY
6th CBSE
IMPORTANT

EASY
6th CBSE
IMPORTANT

MEDIUM
6th CBSE
IMPORTANT
