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प्रश्न
Write ‘true’ or ‘false’ for the following statement :
Silver is used to make electric cables.
पर्याय
True
False
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उत्तर
False
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संबंधित प्रश्न
Fill in the following blanks with suitable words:
A metal having low melting point is ..................... but a non-metal having very high melting point is ..............
Name two alloys of iron. What elements are present in these alloys?
Fill in the following blank with suitable word:
The alloy in which one of the metals is mercury is called an ...............
A metal which is neither ductile nor malleable is
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
______ is a liquid metal.
Statements given below are incorrect. Write the correct statements :
Zinc is used for making power transmission wires.
State two important uses of following metal:
Uses of zinc
Write name.
Molecular formula of the common ore of aluminium.
What was Mendeleev's basis for the classification of elements?
With reference to the following metals state their use in daily life metal:
Silver
State why telegraph poles are painted with aluminium paint.
Complete the following flow chart.
Give reasons for the following.
- Aluminum foils are used to wrap food items.
- Immersion rods for heating liquids are made up of metallic substances.
- Sodium and potassium are stored in kerosene.
- Mercury is used in thermometers.
Which of the following metals are obtained by electrolysis of their chlorides in molten state?
- Na
- Ca
- Fe
- Cu
______ is the first scientist who used the term element.
Give an example of a metal which
- is liquid at room temperature.
- is the best conductor of heat.
Why are bells made of metals?
The metal can be cut with a knife ______.
The typical shine of metals is called ______.
