हिंदी

Define Aerosol Give One Example. - Science

Advertisements
Advertisements

प्रश्न

Define Aerosol Give one example.

टिप्पणी लिखिए

उत्तर

Aerosol- Aerosol is a colloid in which a solid or liquid is dispersed in a gas. Examples are hairspray and fog.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Is Matter Around Us Pure - Very Short Answers [पृष्ठ ८०]

APPEARS IN

लखमीर सिंग Chemistry [English] Class 9
अध्याय 2 Is Matter Around Us Pure
Very Short Answers | Q 34.2 | पृष्ठ ८०

वीडियो ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्न

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


State two characteristics of matter demonstrated by Brownian motion.


Fill in the following blanks with suitable words :

The elements which are sonorous are called ..........................


What elements do the following compounds contain ?

Sugar, Common salt


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


Name two solid, two liquid and two gaseous elements at the room temperature.


Explain why, hydrogen and oxygen are considered elements whereas water is not considered an element.


State any two properties for believing that aluminium is a metal.


Give reason why copper metal is used for making electric wires.


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.

Out of a colloid, solution and a suspension :

which one has the smallest particles ?


Out of a colloid, solution and a suspension :

which one has the largest particles ?


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


One of the following represents the solution of solid in a solid. This one is :


Name the process by which common salt is obtained from sea-water.


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


Draw a labelled diagram of the fractional distillation apparatus used for separating a mixture of alcohol and water.


Which one of the following scrap metal cannot be separated by magnetic separation ?


Differentiate between the-two characteristics of matter – ‘mass’ & ‘weight’.


Define the term matter.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×