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प्रश्न
State the property of the following substance.
Sodium nitrate is soluble in water, but calcium carbonate is not.
पर्याय
Physical
Chemical
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उत्तर
Physical
संबंधित प्रश्न
"A substance has a definite shape as well as a definite volume." Which physical state is represented by this statement?
Give two reasons for saying that wood is a solid.
Give reasons
Liquids have definite volume but no definite shape
Describe simple experiments to prove that liquids have no definite shape
Describe simple experiments to prove that gases have no definite volume or shape.
Strainer is a kind of sieve which is used to separate a liquid from solid.
Intermolecular forces of attractions are maximum in ______.
The tendency of particles to spread out in order to occupy the available space is ______.
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 composition of a sample of wustite is Fe0.93O1.0· The iron is present in the form of Fe(III) is ______%.
