Question
List five characteristics by which compounds can be distinguished from mixtures.

Answer

 
MIXTURES
 
COMPOUNDS
i
A mixture can be separated into constituents by the physical processes.
i
A compound cannot be separatwd into its constituents by the physical processes.
ii
A mixture shows the properties its contituents.
ii
The properties of a compound are entirely different from those of its constituents. 
iii
Energy is usually neither given out nor absorbed in the preparation of a mixture.
iii
Energy is usually given or absorbed during the preparation of a compound.
iv
The composition of a mixture is variable.
iv
The composition of a compound is fixed.
v
A mixture does not have a fixed melting point, boiling point, etc. 
v
A compound has a fixed melting boiling point etc.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The drawing shoes a ship $800m$ from a cliff. A gun is fired on the ship. After $5$ seconds the people at the front of the ship hear the sound of the gun again.
  1. What is the name of this effect?
  2. What happens to the sound at the cliff?
  3. How far foes the sound travel in $5$ seconds?
  4. Calculate the speed of sound.
Write main differences between plant and animal cells.
Suppose a planet exists whose mass and radius both are half those of the earth. Calculate the acceleration due to gravity on the surface of this planet.
If one gram of sulphur contains $x$ atoms, calculate the number of atoms in one gram of oxygen element. $($Atomic masses: $S = 32u; O = 16u)$
A boy walks from his classroom to the bookshop along a straight corridor towards North. He covers a distance of 20m in 25 seconds to reach the bookshop. After buying a book, he travels the same distance in the same time to reach back in the classroom. Find (a) average speed, and (b) average velocity, of the boy.
How do you differentiate between capture fisheries, inland fisheries and aquaculture?
How can reverberations in a big hall or auditotium be reduced?`
How is water purified on a large scale at water works? Explain with the help of a labelled diagram. Name the substance which is added to kill germs in the drinking water supply?
A car is travelling along the road at $8\ ms^{-1}.$ It accelerates at $1\ ms^{-2}$ for a distance of $18m.$ How fast is it then travelling?
The mass of one atom of an element $X$ is $2.0 \times 10^{-23}g.$
  1. Calculate the atomic mass of element $X.$
  2. What could element $X$ be$?$
​​​​​​​