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प्रश्न
Fill in the blank
Liquids have a definite ______
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उत्तर
Liquids have a definite Volume.
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संबंधित प्रश्न
Differentiate between an atom and a molecule.
Name the terms for the change of vapour into a liquid.
Define the following term of Matter .
What are the characteristics of matter?
Which type of elements, metals or non-metals, show the property of brittleness ?
Name one element, one compound and one mixture.
On the basis of composition of matter, milk is considered to be :
Out of a colloid, solution and a suspension :
which one has the largest particles ?
Name the different types of solutions. Give one example of each.
What is a suspension ? Give two examples of suspensions.
How would you prepare a saturated solution of sodium chloride in water at 25°C ? What will happen if this solution is cooled to 10°C ?
Which of the following is not an emulsion ?
Which one of the following is not a chemical change ?
One of the following liquids will leave behind a residue on heating. This one is :
Name the process by which the various gases of the air are separated.
Name the process by which common salt is obtained from sea-water.
How can you obtain pure water from a salt-water mixture (or salt-solution) ? Draw a neat and labelled diagram of the apparatus you would use to obtain pure water from a salt-water mixture (or salt-solution).
The liquid air has three components X, Y and Z whose boiling points are : –186°C, –183°C and –196°C,
respectively. When liquid air is fed into a tall fractional distillation column from near its bottom and warmed
up slowly :
(a) Which component will be collected from near the bottom of the fraction distillation column ? Why ?
(b) Which component will be collected from the top part of the fractional distillation column ? Why ?
(c) Which component will be collected from the middle part of the fractional distillation column ? Why ?
(d) What could the component X, Y and Z be ?
The particles in the matter are extremely small and can be seen even with a powerful microscope.
Atoms or groups of atoms having a charge are called ______.
