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प्रश्न
State one use of Hydrogen.
उत्तर
Hydrogen is used as fuel in rockets.
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संबंधित प्रश्न
Can you store lemon pickle in an aluminium utensil? Explain.
For the electro-refining of copper: Write the reaction that takes place at the anode
Which property of copper and aluminium makes them suitable for making electric wires?
Which of the following non-metal is a liquid?
(a) carbon
(b) sulphur
(c) bromine
(d) iodine
Name the metals present in the following alloys
Stainless steel
Name:
a non- metal used in alloys
Explain how the activity series accounts for the following:
occurrence of metals
Explain the following:
Metals like calcium and magnesium are never found in their free state in nature.
State whether the statement given below is true or false. If false write the correct statement.
Lead pencils contain lead.
Melting point of most metal is ______ than non-metal.
