Advertisements
Advertisements
प्रश्न
Which of the following contains less solute at a given temperature and pressure ? Unsaturated solution or Saturated solution.
Advertisements
उत्तर
An unsaturated solution contains less amount of solute as compared to the saturated solution at a given temperature and pressure.
APPEARS IN
संबंधित प्रश्न
Classify the following into elements, compounds and mixtures:
- Sodium
- Soil
- Sugar solution
- Silver
- Calcium carbonate
- Tin
- Silicon
- Coal
- Air
- Soap
- Methane
- Carbon dioxide
- Blood
What elements do the following compounds contain ?
Sugar, Common salt
Which of the following substances are elements ?
Water, Salt, Mercury, Iron, Marble, Diamond, Wood, Nitrogen, Air, Graphite, Hydrogen, Oxygen, Sugar, Chlorine
Name two solid, two liquid and two gaseous elements at the room temperature.
State two physical properties on the basis of which metals can be distinguished from non-metals.
State one property in which a solution of sugar in water resembles a mixture of sugar and sand, and one property in which it differs from it.
You are given two liquids, one a solution and the other a compound. How will you distinguish the solution from the compound ?
What is the most common way of expressing the concentration of a solution ?
Choose the correct answer.
A 5 per cent sugar solution means that :
Define solute.
21.5 g of sodium chloride dissolves in 60 g of water at 25°C. Calculate the solubility of sodium chloride in water at that temperature.
9.72 g of potassium chloride dissolves in 30 g of water at 70°C. Calculate the solubility of potassium chloride at that temperature.
Name the process you would use to separate a mixture of water and alcohol.
Fill in the following blanks with suitable words :
Immiscible liquids are separated by using a .....................
______ is not made of matter.
Define the term matter.
Match the physical quantities given in column A to their S I units given in column B:
| (A) | (B) | ||
| (a) | Pressure | (i) | cubic metre |
| (b) | Temperature | (ii) | kilogram |
| (c) | Density | (iii) | pascal |
| (d) | Mass | (iv) | kelvin |
| (e) | Volume | (v) | kilogram per cubic metre |
The physical state of water at 373 K is ______.
Define the term matter.
