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प्रश्न
A metal which is neither ductile nor malleable is
विकल्प
Copper
Silver
Zinc
Aluminium
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उत्तर
Zinc
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संबंधित प्रश्न
State one use of the following metal:
Copper
The atomic number of an element Y is 16.
- What must an atom of Y do to achieve the nearest inert gas electron arrangement?
- Which inert gas is nearest to Y?
Write ‘true’ or ‘false’ for the following statement :
Silver is used to make electric cables.
State the position of the following in the periodic table:
Aluminium
Give the general characteristics of:
Alkali metals,
(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Hydrochloric acid,
What is it made from? Why?
Ornaments
With reference to the following metal state its use in daily life:
Magnesium
Name the following:
A halogen which is a solid at room temperature.
Write the name.
Two highly reactive metals-
Halogen reacts with acid.
Assertion: Mercury is solid in room temperature.
Reason: Mercury is a non-metal.
A is a reddish-brown metal, which combines with O2 at < 1370 K gives B, a black coloured compound. At a temperature > 1370 K, A gives C which is red in colour. Find A, B, and C with reaction.
Generally, metals are solid in nature. Which one of the following metals is found in a liquid state at room temperature?
The ability of metals to be drawn into thin wire is known as
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?
Metals are usually solids or gases at room temperature.
In the following figure, you find that the bulb glows when an iron nail is placed between two ends of wire. Complete the following sentences on the basis of this fact.
- ______ is a metal.
- Metals are good ______ of electricity.
