Advertisements
Advertisements
प्रश्न
Write the states of water.
Advertisements
उत्तर
Water occurs naturally in three forms: ice, water, and water vapour. These forms are also called states of water. Ice is in solid form, water is in liquid form and water vapour is in gaseous form.
APPEARS IN
संबंधित प्रश्न
Give two reasons to justify that An iron almirah is a solid.
Give reasons
Liquids have definite volume but no definite shape
See the given pictures and write down the state of each object. (Solid, Liquid, Gas)
 |
 |
 |
 |
 |
| _____ | ______ | ______ | ______ | ______ |
 |
 |
 |
 |
 |
| ______ | _______ | ______ | ______ | ______ |
Particles in solids are free to move.
Strainer is a kind of sieve which is used to separate a liquid from solid.
______ has definite shape and volume.
The feather and paper cup can float on the water.
A strong current of trivalent gaseous boron passed through a silicon crystal decreases the density of the crystal due to part replacement of silicon by boron and due to interstitial vacancies created by missing Si atoms. In one such experiment, one gram of silicon is taken and the boron atoms are found to be 1000 ppm by weight, when the density of the Si crystal decreases by 12%. The percentage of missing vacancies due to silicon, which are filled up by boron atoms will be ____ g. [Given · Atomic wt. Si= 30, B = 11]
The density of solid Argon is 1.6 ml at - 233°C. If the Argon atom is assumed to be sphere of radius 1.5 × 10-8 cm, then the ______ % of solid Argon is apparently occupied.
[Take : NA = 6 × 1023, Atomic mass of Ar = 40]
The composition of a sample of wustite is Fe0.93O1.0· The iron is present in the form of Fe(III) is ______%.
