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प्रश्न
Fill in the blank :
The state of matter with definite volume and definite shape is called______
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उत्तर
The state of matter with definite volume and definite shape is called solid.
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संबंधित प्रश्न
Intermolecular space is maximum in .......... less in ............ and the least in .........
Liquids have definite volume but do not have definite shape.
Fill in the blank :
The substances which can flow are called ________
Out of solids, liquids and gases, which one has :
- maximum movement of particles ?
- maximum interparticle attractions ?
- minimum spaces between particles ?
State two characteristics of matter demonstrated by Brownian motion.
What is Brownian motion? Draw a diagram to show the movement of a particle (like a pollen grain during Brownian motion.
Name one element, one compound and one mixture.
State two physical properties on the basis of which metals can be distinguished from non-metals.
Which of the following contains less solute at a given temperature and pressure ? Unsaturated solution or Saturated solution.
Choose one term from the following which includes the other three :
aerosol, emulsion, colloid, sol
Which of the following are chemical changes and which physical ? Give reason.
- a glass bottle breaking
- coal burning in air
- making a cake
- wool being knitted into a sweater
What is the effect of temperature on the solubility of solids in liquids ?
Differentiate between a saturated and an unsaturated solution. How will you test whether a given solution is saturated or not ?
Name the process which is used in milk dairies to separate cream from milk.
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.
Why wires cannot be drawn from materials such as stone or wood?
Define the term matter.
Define the term matter.
Define the term matter.
