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प्रश्न
State the position of aluminium in the periodic table.
उत्तर
Position in the Periodic Table: Period 3, Group IIIA (13)
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संबंधित प्रश्न
Explain and give reasons why aluminium vessels should not be cleaned with powders containing alkalis ?
Name an ore which is concentrated by:
magnetic separation
Name the following:
The kind of welding in which aluminium powder is used.
Give reason for the following:
Galvanized metal ions should not be used for storing food.
Give composition and uses of the following alloys. Mention the reason for its use.
Brass
Give the name and formula of an ore of zinc.
Reduction of the zinc compound which is the product of above reaction.
From the metals copper, iron, magnesium, sodium and zinc, select a different metal in each case which:
(a) Does not react with dilute hydrochloric acid
(b) Can form 2+ and 3+ ions
(c) Has a hydroxide that reacts with both acid and alkalis.
(d) Does not react with cold water, but reacts with steam when heated.
Write the equation for the reaction of zinc with following: Dilute sulphuric acid
The two main metals in bronze are
Name the following :
An ore of zinc containing its sulphide.
