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प्रश्न
Fill in the following blanks with suitable words :
The elements which are sonorous are called ..........................
उत्तर
The elements that are sonorous are called metals.
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संबंधित प्रश्न
Name the processes involved in two cases.
Name the terms for the particles of matter which may or may not have independent existence.
What are the two conditions for the interconversion of states of matter ?
Which one is a kind of matter:
Name a non-metal which is a good conductor of electricity.
State two physical properties on the basis of which metals can be distinguished from non-metals.
Name a metal which has a low melting point.
Which of the following do not exhibit Tyndall effect ?
Starch solution, Sugar solution, Ink, Salt solution, Copper sulphate solution, Ammonium chloride solution, Fog, Smoke, Car exhausts.
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 ?
One of the following does not show Tyndall effect. This one is :
Tincture of iodine has antiseptic properties. This solution is made by dissolving :
Fill in the following blanks with suitable words :
A mixture of kerosene and petrol can be separated by .....................
With the help of a labelled diagram, describe the method of separating ammonium chloride from a mixture of ammonium chloride and common salt. Mention the difference in the properties of ammonium chloride and sodium chloride which has made this separation possible.
Asmita went to buy an earthen pot. There she saw many things kept for sale.
From what substance has the potter made all the things?
State whether true or false. If false, correct the statement.
Oil and water are immiscible with each other.
The particles in the matter are extremely small and can be seen even with a powerful microscope.
Evaporation does form bubbles.
The pressure of gases does not depend on the temperature of the gas and the volume it occupies.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
