Chemistry
Grade-7
Easy
Question
Study the vein diagram carefully.
Which of the following colloidal system represent points 1, 2, and 3?
Hint:
B
The correct answer is:
Milk of magnesia(solid-liquid) is an example of Solid in liquid type colloid (sol) type of colloid.
Smoke (solid-gas) is a collection of air borne particles that float about in the atmosphere as gas.
Fog is an example of a liquid-gas mixture.
Related Questions to study
Chemistry
A heterogeneous mixture where the particles do not dissolve but float in the solution is called
A heterogeneous mixture where the particles do not dissolve but float in the solution is called
ChemistryGrade-7
Chemistry
The chemical present in the milk is
The chemical present in the milk is
ChemistryGrade-7
Chemistry
The melting point and boiling point of a mixture are
The melting point and boiling point of a mixture are
ChemistryGrade-7
Chemistry
Name the physical state of the components in the following mixtures:
(i). Pond water
(ii). Sugarcane juice
(iii). Petroleum oil
(iv). Gun powder
Name the physical state of the components in the following mixtures:
(i). Pond water
(ii). Sugarcane juice
(iii). Petroleum oil
(iv). Gun powder
ChemistryGrade-7
Chemistry
Identify the homogeneous mixture from the following picture:
Identify the homogeneous mixture from the following picture:
ChemistryGrade-7
Chemistry
Match the statements of Column A(mixture) with those of Column B(component present in them).
Match the statements of Column A(mixture) with those of Column B(component present in them).
ChemistryGrade-7
Chemistry
When two or more substances combine with each other without participating in a chemical change, the resultant substance is known as
When two or more substances combine with each other without participating in a chemical change, the resultant substance is known as
ChemistryGrade-7
Chemistry
Find the odd one out.
Rocks, table-salt, chocolate chip cookies, ice-cream
Find the odd one out.
Rocks, table-salt, chocolate chip cookies, ice-cream
ChemistryGrade-7
Chemistry
Air is a mixture because
Air is a mixture because
ChemistryGrade-7
Chemistry
The size of homogeneous particles is_________.
The size of homogeneous particles is_________.
ChemistryGrade-7
Chemistry
Which of the following substance is not dissolved in the water?
Which of the following substance is not dissolved in the water?
ChemistryGrade-7
Chemistry
Air is a mixture of gases including
Air is a mixture of gases including
ChemistryGrade-7
Chemistry
Which of the following is a mixture?
(i).Tap water
(ii). Alum powder
(iii). Bread
(iv). Soda water
(v). Carbon dioxide
Which of the following is a mixture?
(i).Tap water
(ii). Alum powder
(iii). Bread
(iv). Soda water
(v). Carbon dioxide
ChemistryGrade-7
Chemistry
State whether the following statements are true or false.
(i) A heterogeneous mixture can be separated by using the physical methods.
(ii) A homogeneous mixture can be separated by using the physical methods.
(iii) Alloys are the examples of homogeneous solutions.
State whether the following statements are true or false.
(i) A heterogeneous mixture can be separated by using the physical methods.
(ii) A homogeneous mixture can be separated by using the physical methods.
(iii) Alloys are the examples of homogeneous solutions.
ChemistryGrade-7
Chemistry
A cup of instant coffee is an example of
A cup of instant coffee is an example of
ChemistryGrade-7
