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प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
Magnesium is used in making light weight alloys of aluminium.
पर्याय
True
False
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उत्तर
True.
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संबंधित प्रश्न
Name two alloys of iron. What elements are present in these alloys?
Which property of ‘solder’ alloy makes it suitable for welding electrical wires?
Which of the following alloys contains mercury as one of the constituents?
Mention two uses of the following metals and non-metals
Iodine
Give reasons
Aluminium is used in making aircrafts.
Give reasons
Graphite is used in the leads of pencils
Write ‘true’ or ‘false’ for the following statement.
Iodine acts as an antiseptic in the form of a tincture of iodine.
Aluminium is not used to make :
State two important uses of following metal.
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State two important uses of the following metal.
Uses of magnesium
Give the general characteristics of:
Alkali metals,
(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
State why telegraph poles are painted with aluminium paint.
Name the following:
The most reactive halogen.
Name the following:
A metal used in packaging.
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?
Name one metal and one non-metal that exist in liquid state at room temperature. Also name two metals having melting point less than 310 K (37°C)
Which of the following is not a metal?
The metal can be cut with a knife ______.
