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प्रश्न
Write the equation for the reaction of zinc with following: Dilute sulphuric acid
उत्तर
\[\ce{Zn + H2SO4 -> ZnSO4 + H2}\]
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संबंधित प्रश्न
Choose the correct answer from the options given below:
The main ore used for the extraction of iron is
A. Haematite
B. Calamine
C. Bauxite
D. Cryolite
Give the name and formula of the main orea of iron and zinc ?
State a reason why zinc is used in:
galvanization,
State a reason why zinc is used in:
cosmetics?
Name the following:
Two metals which occur in nature in free state as well as in combined state.
Give composition and uses of the following alloys. Mention the reason for its use.
Bronze
The metals zinc and tin are present in the alloy
Bauxite : Aluminium ore : : Cassiterite : _______
Metal sheets : Malleable : : Electric wires : _______
Draw diagram of magnetic separation process and answer the questions based on it.
- Give example in which this process can work.
- Suggest any two methods that can also be used for this purpose.
- Which technique is based on hydrophobic and hydrophilic properties of particles?
