English

The Elements Which Normally Exist in the Liquid State Are : - Science

Advertisements
Advertisements

Question

The elements which normally exist in the liquid state are :

Options

  • bromine and iodine

  • mercury and chlorine

  • iodine and mercury

  • bromine and mercury

MCQ

Solution

bromine and iodine

Mercury is a metal that exists in liquid state and bromine is a non-metal that exists in liquid state.

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Is Matter Around Us Pure - Very Short Answers [Page 59]

APPEARS IN

Lakhmir Singh Chemistry [English] Class 9
Chapter 2 Is Matter Around Us Pure
Very Short Answers | Q 63 | Page 59

RELATED QUESTIONS

Define matter. Give four examples of matter.


Which type of elements, metals or non-metals, show the property of brittleness ?


Which of the following are not compounds ?

Chlorine gas, Potassium chloride, Iron powder, Iron sulphide, Aluminium foil, Iodine vapour, Graphite, Carbon monoxide, Sulphur powder, Diamond


How will you differentiate between a suspension and a colloid ?


Which of the following are chemical changes and which physical ? Give reason.

  1. a glass bottle breaking
  2. coal burning in air
  3. making a cake
  4. wool being knitted into a sweater

One of the following liquids will leave behind a residue on heating. This one is :


When the solid A is added to water, it dissolves with the evolution of a lot of heat and making little explosions to form two products B and C. The properties of products B and C are entirely different from those of solid A as well as water. Moreover, products B and C cannot be reconverted into solid A and water. When another solid D is added to water, it dissolves with the absorption of a little heat to form a product E which cools down. The product E shows the properties of both, solid D as well as water. Moreover, product E can be converted into solid D and water.

(a) What type of change occurs when solid A is dissolved in water ? Why ?

(b) What type of change occurs when solid D is dissolved in water ? Why ?

(c) Name a metal which you think could behave like solid A. Also name the products B and C.

(d) Name the solid D if it is the one which is used in making ordinary dry cells.

(e) Name the process by which D can be recovered from E.


The solubility of ammonium chloride in water at various temperatures is given below :

Temperature : 10°C 20°C 40°C 60°C 80°C
Solubility : 24 g 37 g 41 g 55 g 66 g

What mass of ammonium chloride would be needed to make a saturated solution of ammonium chloride in fifty grams of water at 40°C ?


What difference in the property of two miscible liquids enables their separation by fractional distillation ?


Name the process by which the various gases of the air are separated.


Which technique is used in a washing machine to squeeze out water from wet clothes while drying ?


How would you obtain sodium chloride from a mixture of sodium chloride and sulphur without using water ?


What is fractional distillation ? What is the use of fractionating column in fractional distillation ?


______ is a smallest particle.


A standard sheet of paper is about ______ of atoms thick


Rusting of an article made up of iron is called


Liquids cannot be compressed and they have fixed volume.


Gases change to liquid by the process of ______.


Examples of foam are ______.


Define the term matter.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×