हिंदी

Which of the following are homogeneous in nature? (i) ice (ii) wood (iii) soil (iv) air - Science

Advertisements
Advertisements

प्रश्न

Which of the following are homogeneous in nature?

(i) ice

(ii) wood

(iii) soil

(iv) air

विकल्प

  • (i) and (iii)

  • (ii) and (iv)

  • (i) and (iv)

  • (iii) and (iv)

MCQ
Advertisements

उत्तर

(i) and (iv)

Explanation: 

Ice and air are homogeneous in nature since they have same composition throughout and there are no visible boundaries between the components.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Is Matter Around Us Pure - Multiple Choice Questions [पृष्ठ १२]

APPEARS IN

एनसीईआरटी एक्झांप्लर Science [English] Class 9
अध्याय 2 Is Matter Around Us Pure
Multiple Choice Questions | Q 5. | पृष्ठ १२

वीडियो ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्न

Intermolecular space is maximum in .......... less in ............ and the least in .........


What do you mean by the inter-molecular spaces? How do they vary in different states of matter?


Gases have definite volume but no definite shape.


Out of solids, liquids and gases, which one has :

  1. maximum movement of particles ?
  2. maximum interparticle attractions ?
  3. minimum spaces between particles ?

Name the property which allows metals to be hammered into thin sheets.


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


Which of the following is not an element ?


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.

State whether the following statement is true or false :

Sponge is an example of solid sol.


In what respects does a true solution differ from a colloidal solution ?


Define Aerosol Give one example.


What is meant by a solution? 


Name the process which can be used to recover salt from an aqueous salt solution.


There are three liquids A, B and C, all having different densities and different boiling points. Liquids A and C are organic in nature whereas liquid B is considered to be inorganic. When liquids A and B are put together in a container, they form a single layer. On the other hand, when, liquids B and C are mixed, they form two separate layers :

(a) Which process will you use to separate a mixture of A and B ?

(b) Which method will you use to separate a mixture of B and C ?

(c) Name the liquids which would behave like (i) A (ii) B and (iii) C.


______ is not made of matter.


Complete the given analogy.

Murukku from hot oil: ______:: Coffee powder residue from decoction: ______


Higher the temperature, the higher the kinetic energy of particles.


Examples of foam are ______.


Evaporation is always accompanied by ______ in temperature. 


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×