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प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
Magnesium is used in making light weight alloys of aluminium.
विकल्प
True
False
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उत्तर
True.
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संबंधित प्रश्न
A metal having low melting point is ______ but a non-metal having very high melting point is ______.
Name one ore of manganese. Which compound of manganese is present in this ore? Also write its chemical formula.
What is meant by 22 carat gold?
Mention two uses of the following metals and non-metals
Iodine
Give reasons
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Write scientific reason.
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State the position of the following in the periodic table:
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Write the name.
Two highly reactive metals-
Complete the following flowchart.
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- Immersion rods for heating liquids are made up of metallic substances.
- Sodium and potassium are stored in kerosene.
- Mercury is used in thermometers.
The most abundant element in the universe is ____________.
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| Metal | Gas Evolved | |
| (i) | Copper | Yes |
| (ii) | Iron | Yes |
| (iii) | Magnesium | No |
| (iv) | Zinc | Yes |
Name two soft metals which can be cut with a knife.
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