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प्रश्न
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.
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उत्तर
Gallium is a liquid metal.
APPEARS IN
संबंधित प्रश्न
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Sodium is a very reactive metal. ( )
Fill in the following blank with suitable word:
The electrical conductivity and melting point of an alloy is ........... than that of pure metals.
What is an alloy? Give two examples of alloys.
Give reasons
Graphite is used in the leads of pencils
Write ‘True’ or ‘False’ in front of following statement.
Brass is an alloy of copper and zinc and has lustrous yellow colour.
Tick (√) the most appropriate answer.
Graphite is used :
State two important uses of following metal:
Uses of silver
What is it made from? Why?
A pair of tongs.
With reference to the following metals state their use in daily life metal:
Zinc
With reference to the following metals state their use in daily life metal:
Silver
State why telegraph poles are painted with aluminium paint.
State a specific reason for using copper in electrical cables
Match the columns.
| Group A | Group B |
| 1) Copper and Zinc | a) Brass |
| 2) Copper and Tin | b) Bronze |
| c) Stainless steel |
Which one of the following four metals would be displaced from the solution of its salts by other three metals?
The electronic configurations of three elements X, Y and Z are X – 2, 8; Y – 2, 8, 7 and Z – 2, 8, 2. Which of the following is correct?
Which of the following is not a metal?
All gases are ______.
Which metals are not solid at room temperature?
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
Metal atoms tend to have a maximum of ______ electrons in the outermost shell.
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
______ is the reducing agent.
