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प्रश्न
Name the following:
The ore of zinc containing its sulphide.
उत्तर
Zinc blende (sphalerite)
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संबंधित प्रश्न
Name an ore of zinc.
Explain the following term:
Ores
Give reason for the following:
Zinc is used in galvanization and dry cells.
Explain the following:
Cold water has no action on aluminium.
Complete and balance the following equation:
Al + KOH + H2O →
Name the alloy of zinc used in simple voltaic cells.
Name an alloy of zinc which is used in simple voltaic cells.
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.
Bauxite : Aluminium ore : : Cassiterite : _______
What is the role of flux in metallurgical processes?
