English

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

Advertisements
Advertisements

Question

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

Short/Brief Note
Advertisements

Solution

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.

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 [English] Class 9
Chapter 2 Is Matter Around Us Pure
Very Short Answers | Q 11 | Page 56

RELATED QUESTIONS

The inter-molecular force is maximum in


The molecules can move freely anywhere in


What are the two conditions for the interconversion of states of matter ?


Which of the following materials fall in the category of a “pure substance”?

  1. Ice
  2. Milk
  3. Iron
  4. Hydrochloric Acid
  5. Calcium oxide
  6. Mercury
  7. Brick
  8. Wood
  9. Air

Name the scientist who studied the movement of pollen grains suspended in water through a microscope. What is this phenomenon known as?


What name is given to those elements which are neither good conductors of electricity like copper nor insulators like sulphur ?


Iron powder and sulphur powder were mixed together and divided into two parts A and B. When part A was heated strongly over a burner, then a substance C was formed. The part B was, however, not heated at all. When dilute hydrochloric acid was added to substance C, then gas D was evolved and when dilute hydrochloric acid was added to part B then gas E was evolved.

  1. What type of substance is B ?
  2. What type of substance is C ?
  3. Name the gas (i) D, and (ii) E ?
  4. State one characteristic property of gas D.
  5. Write one test to identify gas E.

Name the process you would use to separate a mixture of water and alcohol.


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


Which technique can be used to detect and identify traces of poison present in the stomach wash of a person ?


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


How is scrap iron separated from a heap of waste materials in factories?


Explain how, impure copper sulphate can be purified by crystallisation.


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


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 ?


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


The phenomenon of Evaporation takes place at the ______ of a liquid.


Give an example of liquid in gas.


Write a scientific reason.

Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×