हिंदी

What is the Other Name for Impure Substances ? Give Two Examples of Impure Substances.

Advertisements
Advertisements

प्रश्न

What is the other name for impure substances ? Give two examples of impure substances.

टिप्पणी लिखिए
Advertisements

उत्तर

Mixture is considered as an impure substance, as it contains two or more different kinds of particles or substances mixed together.

Examples: Milk, sea water

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Is Matter Around Us Pure - Very Short Answers [पृष्ठ ५७]

APPEARS IN

लखमीर सिंग Chemistry [English] Class 9
अध्याय 2 Is Matter Around Us Pure
Very Short Answers | Q 27 | पृष्ठ ५७

वीडियो ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्न

Liquids have definite shape and definite volume.


Write true or false for each statement. Rewrite the false statement correctly.

Matter cannot exist in different states.


Honey is more viscous than water. Can you suggest why?


An inflated balloon full of air goes down slowly (becomes smaller and smaller slowly) even though the knot at the mouth of the balloon is airtight. And after a week all the air has escaped from the balloon. Explain how the air particles got out of the balloon.


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


The elements which normally exist in the liquid state are :


What is the name of the clear liquid formed when a solid dissolves in a liquid ?


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

aerosol, emulsion, colloid, sol


21.5 g of sodium chloride dissolves in 60 g of water at 25°C. Calculate the solubility of sodium chloride in water at that temperature.


Which of the following do not exhibit Tyndall effect ?

Starch solution, Sugar solution, Ink, Salt solution, Copper sulphate solution, Ammonium chloride solution, Fog, Smoke, Car exhausts.


Which of the following represents the solubility of sugar in water at 20°C ?


How will you separate a mixture of iron filings and powdered carbon ?


How will you separate water from mustard oil ?


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


Which among the following is not a matter?


Match the physical quantities given in column A to their S I units given in column B:

(A) (B)
(a) Pressure (i) cubic metre
(b) Temperature (ii) kilogram
(c) Density (iii) pascal
(d) Mass (iv) kelvin
(e) Volume (v) kilogram per cubic metre

Liquids have ______.


______ is used for industrial refrigeration and transporting frozen food.


Define the term matter.


Define the term matter.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×