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प्रश्न
Name two metals which are used for making electric wires.
उत्तर
Copper and aluminium are two metals used to make electric wires.
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संबंधित प्रश्न
Classify the following elements into metals, non–metals and metalloids: C, Mg, Si, S, Hg, As.
What is meant by "brittleness"? Which type of elements usually show brittleness: metals or non-metals?
You are given a dry cell, a torch bulb with holder, wires and crocodile clips. How would you use them to distinguish between samples of metals and non-metals?
Name a non-metal which is good conductor of electricity.
State two important uses of following non-metals
Uses of nitrogen
Name:
a non-metal which is ductile
Name the following:
An Alloy of copper and Zinc.
Complete the statement given below, by filling in the blank with the correct word:
A metal which floats on water _____
Match the following:
| 1. | Non-metals | a. | Silicon |
| 2. | Metals | b. | fire extinguisher |
| 3. | Metalloids | c. | dull and soft |
| 4. | Oxygen | d. | hard and shiny |
| 5. | Water | e. | supports fire |
The non – metal which is liquid at room temperature is ______.
