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प्रश्न
Name the following:
A metal used in flexible pipes.
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उत्तर
Lead
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संबंधित प्रश्न
State one use of the following metal:
Aluminium
State one use of the following metal:
Iron
State one use of the following metal:
Silver
Which property of ‘solder’ alloy makes it suitable for welding electrical wires?
Give reasons
Aluminium is used in making aircrafts.
Give reasons
Gold is mixed with copper and nickel.
State two important uses of the following metal.
Uses of magnesium
State the position of the following in the periodic table:
Iron and zinc
Why are alkali metals kept in kerosene oil?
Write name.
The nonmetal having electrical conductivity.
Molecular formula of the chloride of an element X is XCl. This compound is a solid having high melting point. Write name of any element present in the same group as X
Match the alloys given in column I to the uses given in column II :
| Column I | Column II |
| (i) Duralumin | A. Electrical fuse |
| (ii) Solder | B. Surgical instruments |
| (iii) Brass | C. Aircraft body |
| (iv) Stainless Steel | D. Decorative articles |
State a specific reason for using copper in electrical cables
Complete the following flow chart.
Which one of the following is an example for a metal?
The most abundant metal in the earth’s crust is ____________.
Which of the following property is generally not shown by 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?
The liquid metal at room temperature ______.
All gases are ______.
