English

Milk of Magnesia is : - Science

Advertisements
Advertisements

Question

Milk of Magnesia is :

Options

  • colloid

  • a true solution

  • a homogeneous mixture

  • a suspension

MCQ

Solution

suspension

Milk of magnesia is a suspension of magnesium hydroxide in water. It has milk like texture.

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Is Matter Around Us Pure - Very Short Answers [Page 81]

APPEARS IN

Lakhmir Singh Chemistry [English] Class 9
Chapter 2 Is Matter Around Us Pure
Very Short Answers | Q 55 | Page 81

RELATED QUESTIONS

Fill in the blank

Any matter which has a definite _______ but no definite shape is called a _______


When a gas jar containing air is inverted over a gas jar containing bromine vapour, the red-brown bromine vapour diffuse into air. Explain how bromine vapour diffuse into air.


Define matter. Give four examples of matter.


Classify the following as elements or compounds :
Iron, Iron sulphide, Sulphur, Chalk, Washing soda, Sodium, Carbon, Urea


Name a non-metal :

  1. which is lustrous
  2. which is required for combustion
  3. whose one of the allotrophic forms is a  good conductor of electricity. Name the allotrope.
  4. other than carbon which shows allotropy
  5. which is known to form the largest number of compounds

There are three substances X, Y and Z. The substance X does not have a fixed melting point or boiling point and it still shows the individual properties of its constituents. The substance Y is a pure substance which occurs in nature as such. The substance Y has a fixed melting point and boiling point but it cannot be broken down into simpler substances by any chemical means. The substance Z is also a pure substance whose properties are entirely different from those of its constituents. The substance Z can, however, be divided by electrolysis into two substances which belong to the same class of substances as Y.

  1. What type of substance could X be ? Name one substance like X.
  2. What type of substance could Y be ? Name one substance like Y.
  3. What type of substance could Z be ? Name one substance like Z.
  4. Which process involves absorption or release of an appreciable amount of energy : formation of substance X or formation of substance Z ?
  5. Name the three groups into which all the substances like Y are divided on the basis of their properties.

How much water should be mixed with 12 mL of alcohol so as to obtain 12 % alcohol solution ?


Choose the correct answer.

A 15% alcohol solution means :


State whether the following statement is true or false :

Sponge is an example of solid sol.


Define Sol and give one example.


What is meant by the concentration of a solution ?


One of the following is a solid foam. This one is :


Which of the following is not an emulsion ?


Which of the following can be called a suspension ?


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


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


What's the solution?

We need to make a sherbet quickly for some guests. But we only have sugar candy in the house.


What's the solution?

We need to rub salt on a corncob, but only salt crystals are available.


Celsius scale is a scale of temperature in which zero represents the melting point of ice and 100 represents the boiling point of water.


Evaporation is always accompanied by ______ in temperature. 


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×