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प्रश्न
Name the following:
Name an allotrope of a non-metal that allows electricity to pass through it.
उत्तर
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संबंधित प्रश्न
Metal A has an electronic configuration of 2, 8, 1 and metal B has 2, 8, 8, 2 which is more reactive metal.
Identify A and B and give their reactions with dil HCL and dil H2SO4 ?
Metal A has an electronic configuration of 2, 8, 1 and metal B has 2, 8, 8, 2 which is more reactive metal.
Give the effect of heat on their: hydroxide
Metal A has an electronic configuration of 2, 8, 1 and metal B has 2, 8, 8, 2 which is a more reactive metal.
Give the effect of heat on their: carbonates
`HgS + O_2`
..................
Match the columns.
| Group A | Group B |
| 1. ZnS | a) Copper Sulphide |
| 2. HgS | b) Bauxite |
| c) Cinnabar | |
| d) Zinc blend |
Explain concept with example/explain with the help of a balanced equation.
Minerals
Explain the froth floatation method with a neat labelled diagram.
Observe the figure and name and explain in brief the following method:
Which of following metals occurs in native state?
After partial roasting, the sulphide of copper is reduced by ______.
