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प्रश्न
To protect iron from rusting, it is coated with a thin layer of zinc. Name the process.
उत्तर
Galvanization
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संबंधित प्रश्न
Write the steps involved in the extraction of pure metals in the middle of the activity series from their carbonate ores.
Fill in the following blank with suitable word:
The rocky material found with ores is called.............
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What iron compound is present in haematite ore? Also write its chemical formula.
The metal which can be extracted from pyrolusite ore is:
(a) mercury
(b) manganese
(c) aluminium
(d) magnesium
Define the term : Slag
Which method of refining is used to get 99.8% pure aluminium?
What is galvanized iron.
Observe the given figure of reactivity series of metals and answer the following questions:
Reactivity series of metals
- Name two metals which react with water.
- Name two moderately reactive metals.
- Name the most highly reactive metal and the most less reactive metal.
Explain the following reaction with the balanced equation.
Dry aluminium hydroxide is ignited at 1000 °C
