Advertisements
Advertisements
Question
State two characteristics of matter demonstrated by Brownian motion.
Advertisements
Solution
The characteristics of matter demonstrated by Brownian motion are :
- The matter is made up of tiny particles.
- Particles move randomly and collide with one another.
APPEARS IN
RELATED QUESTIONS
The inter-molecular space is maximum in
Fill in the blank
All matter is made up of tiny particles called ______
What is meant by saying that metals are lustrous ?
Fill in the following blanks with suitable words :
Brass is an alloy which is considered a ..............
What elements do the following compounds contain ?
Sugar, Common salt
Give reason why copper metal is used for making electric wires.
Which of the two will scatter light : soap solution or sugar solution ? Why ?
What is the concentration of a solution which contains 16 g of urea in 120 g of solution ?
What is the difference between solutions and colloids ?
In what respects does a true solution differ from a colloidal solution ?
Fill in the following blanks with suitable words :
A heterogeneous mixture of liquid and solid is conveniently separated by...............
How will you separate a mixture of iron filings, chalk powder and common salt ?
How will you separate water from mustard oil ?
Which method is better for recovering sugar from sugar solution : evaporation or crystallisation ? Give reason
for your answer.
Explain how, nitrogen , oxygen and argon gases are separated from air.
The technique which is used to separate particles of a solid suspended in a liquid quickly is called :
Which of the following cannot be separated from air by the process of fractional distillation ?
The given mixture contains three constituents A, B and C. The constituent A is a yellow coloured, solid element which dissolves in a liquid D. The constituent B is a blue coloured salt which is insoluble in liquid D but dissolves easily in another liquid E. The constitudent C is a liquid which is used in cooking food and forms a solid fat on hydrogenation.
(a) What do you think could (i) constituent A, and (ii) liquid D be ?
(b) What could (i) constituent B, and (ii) liquid E be ?
(c) What could liquid C be ?
(d) How will you separate the mixture containing A, B and C ?
Atoms or groups of atoms having a charge are called ______.
Define the term matter.
