Advertisements
Advertisements
प्रश्न
Which one is a kind of matter:
विकल्प
light
petroleum
sound
heat
Advertisements
उत्तर
petroleum
APPEARS IN
संबंधित प्रश्न
Liquids have definite shape and definite volume.
Honey is more viscous than water. Can you suggest why?
Define matter. Give four examples of matter.
You are given two liquids, one a solution and the other a compound. How will you distinguish the solution from the compound ?
Classify the following into metals, non-metals and metalloids:
Silicon, Mercury, Diamond, Sulphur, Iodine, Germanium, Sodium, Carbon, Magnesium, Copper, Boron, Helium
Which one of the following is not a metalloid ?
In the following set of substances, one item does not belong to the set. Select this item and explain why it does not belong to the set :
Hydrogen, Oxygen, Steam, Chlorine
One of the following represents the solution of solid in a solid. This one is :
The solubility of ammonium chloride in water at various temperatures is given below :
| Temperature | : | 10°C | 20°C | 40°C | 60°C | 80°C |
| Solubility | : | 24 g | 37 g | 41 g | 55 g | 66 g |
What mass of ammonium chloride would be needed to make a saturated solution of ammonium chloride in fifty grams of water at 40°C ?
What difference in the property of two miscible liquids enables their separation by fractional distillation ?
Which technique is used in a washing machine to squeeze out water from wet clothes while drying ?
How is scrap iron separated from a heap of waste materials in factories?
Describe the various steps involved in the separation of iodine, iron filings and salt from a mixture.
Which of the following cannot be separated from air by the process of fractional distillation ?
What's the solution?
We need to rub salt on a corncob, but only salt crystals are available.
The property which allows the metals to be hammered into their sheets is ______.
Rusting of an article made up of iron is called
Which of the following statements are true for pure substances?
(i) Pure substances contain only one kind of particles
(ii) Pure substances may be compounds or mixtures
(iii) Pure substances have the same composition throughout
(iv) Pure substances can be exemplified by all elements other than nickel
Evaporation is always accompanied by ______ in temperature.
Define the term matter.
