English

Which of the Following is a Mixture ? Salt, Air, Water, Alum, Sugar

Advertisements
Advertisements

Question

Which of the following is a mixture ?

Salt, Air, Water, Alum, Sugar

Short/Brief Note
Advertisements

Solution

Among the given options, air is a mixture as it is composed of different gases.

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Is Matter Around Us Pure - Very Short Answers [Page 56]

APPEARS IN

Lakhmir Singh Chemistry Part 2 [English] Class 9
Chapter 2 Is Matter Around Us Pure
Very Short Answers | Q 3 | Page 56

RELATED QUESTIONS

 Match the following

Column A Column B
(a) Molecules (i) Water boils
(b) 100° C (ii) Evaporation
(c) 0° C (iii) Changes from solid to gas
(d) At all temperatures (iv) Matter
(e) Camphor (v) Water freezes

The inter-molecular force is maximum in


Fill in the following blank with suitable words :

The best evidence that the particles of matter are constantly moving comes from the studies of ................. and ...................


Name a metal which is soft and a non-metal which is hard.


What is meant by saying that metals are sonorous ?


Which of the following are ‘pure substances’ ?
Ice, Milk, Iron, Hydrochloric acid, Calcium oxide, Mercury, Brick, Wood, Air


The property/properties which enable copper metal to be used for making electric wires is/are :


If 25 mL of acetone is present in 150 mL of its aqueous solution, calculate the concentration of solution.


Which of the following contains less solute at a given temperature and pressure ? Unsaturated solution or Saturated solution.


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.


Differentiate between a saturated and an unsaturated solution. How will you test whether a given solution is saturated or not ?


Name the property of one of the constituents which can be used to separate a mixture of salt and iodine


Describe the method of separating a mixture containing common salt, sand and ammonium chloride.


With the help of a labelled diagram, describe the method of separating ammonium chloride from a mixture of ammonium chloride and common salt. Mention the difference in the properties of ammonium chloride and sodium chloride which has made this separation possible.


The liquid air has three components X, Y and Z whose boiling points are : –186°C, –183°C and –196°C,
respectively. When liquid air is fed into a tall fractional distillation column from near its bottom and warmed
up slowly :

(a) Which component will be collected from near the bottom of the fraction distillation column ? Why ?

(b) Which component will be collected from the top part of the fractional distillation column ? Why ?

(c) Which component will be collected from the middle part of the fractional distillation column ? Why ?

(d) What could the component X, Y and Z be ?


Stars including Sun are covered in ______.


Atoms or groups of atoms having a charge are called ______.


Solid is an arrangement of particles ______.


The pressure of gases does not depend on the temperature of the gas and the volume it occupies.


Boiling refers to the process by which a substance changes from the liquid to the gaseous state at its ______ point.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×