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What is Meant by Saying that Metals Are Malleable and Ductile ? - Science

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प्रश्न

What is meant by saying that metals are malleable and ductile ?

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उत्तर

Malleability refers to the property of a metal that allows it to be hammered into thin sheets. Ductility refers to the property of metals that allows them to be stretched into thin wires.

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अध्याय 2: Is Matter Around Us Pure - Very Short Answers [पृष्ठ ५६]

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लखमीर सिंग Chemistry [English] Class 9
अध्याय 2 Is Matter Around Us Pure
Very Short Answers | Q 11 | पृष्ठ ५६

वीडियो ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्न

Gases have definite volume but no definite shape.


Fill in the blank

Liquids have a definite ______


What are the conditions for 'something' to be called 'matter'?


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 ...................


During respiration, glucose and oxygen enter our body cells and waste products carbon dioxide and water leave the body cells by the process of :


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


What are pure substances ? Give two examples of pure substances.


How would you confirm that a colourless liquid given to your is pure water ?


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.

One of the following does not show Tyndall effect. This one is :


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 ?


Name the process by which all the dye can be recovered from black ink.


Write a method to separate a mixture of sand and potash alum.


How would you separate iodine from a mixture of iodine and common salt ?


The correct increasing order of the boiling points of liquid oxygen, liquid argon and liquid nitrogen present in liquid air is :


The best way to recover sugar from an aqueous sugar solution is :


Justify your answer.

Figure 1 Figure 2 Figure 3

The arrangement of particles in three different phases of matter is shown above.

  1. Which state is represented by Fig. 1?
  2. In which state will the inter-particle attraction be maximum?
  3. Which one of them cannot be contained in an open vessel?
  4. Which one can take the shape of its container?

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


The fluidity of solids: ______.


Give an example of liquid in gas.


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