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प्रश्न
Statements given below are incorrect. Write the correct statements :
Zinc is used for making power transmission wires.
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उत्तर
Copper is used for making power transmission wires.
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संबंधित प्रश्न
What happens when Dilute sulphuric acid is poured on a copper plate?
Write word equations of the reactions involved.
What happens when Iron nails are placed in copper sulphate solution?
Write word equations of the reactions involved.
Saloni took a piece of burning charcoal and collected the gas evolved in a test tube.
(a) How will she find the nature of the gas?
(b) Write down word equations of all the reactions taking place in this process.
State five uses of metals.
State one use of the following metal:
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The atomic number of an element X is 12.
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- Which inert gas is nearest to X?
The atomic number of an element Y is 16.
- What must an atom of Y do to achieve the nearest inert gas electron arrangement?
- Which inert gas is nearest to Y?
Give the composition of an alloy called solder. State its one property and one use.
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
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Name a metal which is best conductor of electricity :
State the position of the following in the periodic table:
Aluminium
Write name.
The nonmetal having electrical conductivity.
State a specific reason for using copper in electrical cables
Match the columns.
| Group A | Group B |
| 1) Copper and Zinc | a) Brass |
| 2) Copper and Tin | b) Bronze |
| c) Stainless steel |
Write the name.
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______ is the reducing agent.
