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प्रश्न
Name the metals that are used in jewellery.
उत्तर
Silver and gold are used for making jewels and for decorative purposes.
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संबंधित प्रश्न
What is meant by saying that metals are sonorous ?
What is meant by (i) elements (ii) compounds, and (iii) mixtures ?Write down the names of two elements, two compounds and two mixtures.
Which of the following are compounds ?
- CO
- No
- NO
- Co
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Name the source from which nitrogen and oxygen are obtained on a large scale.
Fill in the following blanks with suitable words :
Miscible liquids are separated by .....................
A solid mixture contains four constituents P, Q, R and S. P consists of tiny grains and it is mixed with
cement for plastering the walls. Q is a white solid which is recovered on a large scale from sea water by the
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S is a white solid which is used in making ordinary dry cells.
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The pressure of gases does not depend on the temperature of the gas and the volume it occupies.
Define the term matter.
