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प्रश्न
Fill in the blanks:
______ and ______ can flow.
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उत्तर
Liquids and gases can flow.
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संबंधित प्रश्न
Compare the properties of solids, liquids and gases in tabular form.
Classify the following into solids, liquids and gases.
Oxygen, milk, common salt, wax, stone, L.P.G, carbon- dioxide, sugar, mercury, coal, blood, butter, copper, coconut oil, kerosene.
Give reasons
Liquids have definite volume but no definite shape
Give reasons:
When a teaspoon of sugar is added to half a glass of water and stirred, the water level in the glass remains unchanged.
State the property of the following substance.
Magnesium reacts with dilute hydrochloric acid, liberating hydrogen gas.
Which of the following are the states of matter?
Particles in solids are free to move.
Complete the Analogy.
Bucket: Plastic:: Table: ______.
Define the term ‘Diffusion’.
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]
