Advertisements
Advertisements
Question
Fill in the following blank :
Milk is a .................... solution but vinegar is a .................... solution.
Advertisements
Solution
Milk is a colloidal solution but vinegar is a true solution.
APPEARS IN
RELATED QUESTIONS
Intermolecular space is maximum in .......... less in ............ and the least in .........
Fill in the blank
Any matter which has a definite _______ but no definite shape is called a _______
Which one is a kind of matter:
A kind of matter which can sublime is
Which of the following materials fall in the category of a “pure substance”?
- Ice
- Milk
- Iron
- Hydrochloric Acid
- Calcium oxide
- Mercury
- Brick
- Wood
- Air
When extremely small particles X derived from the anther of a flower were suspended in a liquid Y and observed through a microscope, it was found that the particles X were moving throughout the liquid Y in a very zig-zag way. It was also observed that warmer the liquid Y, faster the particles X moved on its surface.
- What could particles X be ?
- What do you think liquid Y is ?
- What is the zig-zag movement of X known as ?
- What is causing the zig-zag movement of particles X ?
- Name the scientist who discovered this phenomenon.
- What does this experiment tell us about the nature of liquid Y?
Fill in the following blanks with suitable words :
The elements which are sonorous are called ..........................
What is the other name for impure substances ? Give two examples of impure substances.
Define solute.
What difference in the property of two miscible liquids enables their separation by fractional distillation ?
Fill in the following blanks with suitable words :
Miscible liquids are separated by .....................
Fill in the following blanks with suitable words :
If a mixture contains iron filings as one of the constituents, it can be separated by using a .......................
Describe the method of separating a mixture containing common salt, sand and ammonium chloride.
Describe the various steps involved in the separation of iodine, iron filings and salt from a mixture.
The correct increasing order of the boiling points of liquid oxygen, liquid argon and liquid nitrogen present in liquid air is :
One of the following does not undergo sublimation. This one is :
Asmita went to buy an earthen pot. There she saw many things kept for sale.
What is the difference between a substance and an object?
The non S I and S I units of some physical quantities are given in column A and column B respectively. Match the units belonging to the same physical quantity:
| (A) | (B) | ||
| (a) | degree celsius | (i) | kilogram |
| (b) | centimetre | (ii) | pascal |
| (c) | gram per centimetre cube | (iii) | metre |
| (d) | bar | (iv) | kelvin |
| (e) | milligram | (v) | kilogram per metre cube |
Solids possess very high kinetic energy.
Define the term matter.
