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प्रश्न
Statements given below are incorrect. Write the correct statements :
Zinc is used for making power transmission wires.
उत्तर
Copper is used for making power transmission wires.
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संबंधित प्रश्न
The atomic number of an element X is 12.
(a) What must an atom of X do to attain the nearest inert gas electron configuration?
(b) Which inert gas is nearest to X?
What is an alloy? Give two examples of alloys.
Fill in the blank
_______ is a soft metal.
Name a metal which is not malleable :
State two important uses of following metal
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Write name.
Alloy of sodium with mercury.
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Molecular formula of the common ore of aluminium.
Write name.
The device used for grinding an ore.
Write name.
The reagent that dissolves noble metals.
The electronic configuration of metal ‘A’ is 2,8,1 and that of metal ‘B’ is 2,8,2. Which of the two metals is more reactive? Write their reaction with dilute hydrochloric acid.
What is it made from? Why?
A pair of tongs.
With reference to the following metals state their use in daily life metal:
Silver
State why telegraph poles are painted with aluminium paint.
Name the following:
The most reactive halogen.
Complete the following flow chart.
The metal which is liquid at room temperature is ______.
An element forms an oxide A2O3 which is acidic in nature. Identify A as a metal or non-metal.
Metals are usually solids or gases at room temperature.
Metals have high melting points.
Which metals are liquid at room temperature?
