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प्रश्न
Fill in the following blank with suitable word:
The non-metal present in steel is ............
उत्तर
The non-metal present in steel is carbon.
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संबंधित प्रश्न
Fill in the following blank with suitable word:
The rocky material found with ores is called.............
Give the name and chemical formula of one ore of copper.
The major ore of aluminium is known as:
(a) cinnabar
(b) calamine
(c) bauxite
(d) pyrolusite
Give reasons, why aluminum is used in:
painting electric and telegraphic poles
The following questions relate to the extraction of aluminium by electrolysis.
Explain why it is necessary to renew the anode periodically.
Complete the incomplete statement with missing word:
Metals form positive ions while non- metals ______.
Compare the properties of a typical metal and a non- metal on the basis of the following:
(a) electronic configuration
(b) nature of oxides
(c) oxidizing or reducing action
(d) conductivity of heat and electricity
Correct the following statement :
Copper reacts with nitric acid to produce nitrogen dioxide.
Name the methods by which concentrated ore is converted to metallic oxide.
Mercury, silver, gold are highly reactive metals.
