हिंदी

Milk of Magnesia is :

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प्रश्न

Milk of Magnesia is :

विकल्प

  • colloid

  • a true solution

  • a homogeneous mixture

  • a suspension

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उत्तर

suspension

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

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अध्याय 2: Is Matter Around Us Pure - Very Short Answers [पृष्ठ ८१]

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लखमीर सिंग Chemistry Part 2 [English] Class 9
अध्याय 2 Is Matter Around Us Pure
Very Short Answers | Q 55 | पृष्ठ ८१

वीडियो ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्न

Fill in the blank :

The state of matter with definite volume and definite shape is called______


The best evidence for the existence and movement of particles in liquids was provided by :


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


You are given two liquids, one a solution and the other a compound. How will you distinguish the solution from the compound ?


Name a metal which is yellow in colour.


On the basis of composition of matter, milk is considered to be :


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


Choose one term from the following which includes the other three :

aerosol, emulsion, colloid, sol


What is a suspension ? Give two examples of suspensions.


How would you prepare a saturated solution of sodium chloride in water at 25°C ? What will happen if this  solution is cooled to 10°C ?


Name the source from which nitrogen and oxygen are obtained on a large scale.


Fill in the following blanks with suitable words :

A heterogeneous mixture of liquid and solid is conveniently separated by...............


How is the impurity of iron present in several substances removed in industries ?


Which of the following cannot be separated from air by the process of fractional distillation ?


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 ?


The given mixture contains three constituents A, B and C. The constituent A is a yellow coloured, solid element which dissolves in a liquid D. The constituent B is a blue coloured salt which is insoluble in liquid D but dissolves easily in another liquid E. The constitudent C is a liquid which is used in cooking food and forms a solid fat on hydrogenation.

(a) What do you think could (i) constituent A, and (ii) liquid D be ?

(b) What could (i) constituent B, and (ii) liquid E be ?

(c) What could liquid C be ?

(d) How will you separate the mixture containing A, B and C ?


Which among the following is not a matter?


You want to wear your favourite shirt to a party, but the problem is that it is still wet after a wash. What steps would you take to dry it faster?


Atoms are tiny particles that repel each other when they are squeezed very close.


Compressibility of solids: ______.


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