Advertisements
Advertisements
प्रश्न
What is the effect of temperature on the solubility of solids in liquids ?
Advertisements
उत्तर
Solubility of solids in liquids generally increases on increasing the temperature and decreases on decreasing the temperature of the solvent.
APPEARS IN
संबंधित प्रश्न
Solids have definite shape and definite volume.
Name the processes involved in two cases.
Fill in the blank :
The state of matter with definite volume and definite shape is called______
Name one solid, one liquid and one gaseous non-metal.
What is the general name of the materials which contain at least two pure substances and show the properties
of their constituents ?
What is meant by (i) elements (ii) compounds, and (iii) mixtures ?Write down the names of two elements, two compounds and two mixtures.
Which one of the following is not a metalloid ?
Out of a colloid, solution and a suspension :
which one has the smallest particles ?
Out of a colloid, solution and a suspension :
which one has the largest particles ?
How will you test whether a given solution is a colloidal solution ?
Define solubility of a substance. How does it vary with temperature ?
Describe a method to separate a mixture of common salt and sand.
Write a method to separate a mixture of sand and potash alum.
There are three liquids A, B and C, all having different densities and different boiling points. Liquids A and C are organic in nature whereas liquid B is considered to be inorganic. When liquids A and B are put together in a container, they form a single layer. On the other hand, when, liquids B and C are mixed, they form two separate layers :
(a) Which process will you use to separate a mixture of A and B ?
(b) Which method will you use to separate a mixture of B and C ?
(c) Name the liquids which would behave like (i) A (ii) B and (iii) C.
What's the solution?
We need to rub salt on a corncob, but only salt crystals are available.
Define the term matter.
Justify your answer.
| Figure 1 | Figure 2 | Figure 3 |
 |
 |
 |
The arrangement of particles in three different phases of matter is shown above.
- Which state is represented by Fig. 1?
- In which state will the inter-particle attraction be maximum?
- Which one of them cannot be contained in an open vessel?
- Which one can take the shape of its container?
Which of the following are homogeneous in nature?
(i) ice
(ii) wood
(iii) soil
(iv) air
In Aerosol the dispersed phase is liquid and the dispersion medium is gas.
Liquids cannot be compressed and they have fixed volume.
