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प्रश्न
In the following figure, you find that the bulb glows when an iron nail is placed between two ends of wire. Complete the following sentences on the basis of this fact.
- ______ is a metal.
- Metals are good ______ of electricity.
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उत्तर
- Iron is a metal.
- Metals are good conductors of electricity.
APPEARS IN
संबंधित प्रश्न
State one use of Copper.
Give the composition of an alloy called solder. State its one property and one use.
What is an amalgam?
Fill in the following blank with suitable word:
The alloy in which one of the metals is mercury is called an ...............
Tick (√) the most appropriate answer.
Graphite is used :
State two important uses of following metal:
Uses of aluminium
State the position of the following in the periodic table:
Iron and zinc
Write name.
Molecular formula of the common ore of aluminium.
Higher Order Thinking Skills.
Aakash noticed that the metal latch on gate was difficult to open during hot sunny days. However, it was not difficult to open the same latch at night. Aakash observed that the latch and the gate are exposed to the sun during day time.
- Formulate a hypothesis based on the information provided.
- Briefly state how you would test the hypothesis.
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
______ is the metallic element.
