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प्रश्न
How do non-metals react with hydrogen? Explain with an example.
उत्तर
Non-metals react with hydrogen by sharing their electrons with hydrogen electrons to form covalent hydrides.
For example: Sulphur shares its electrons with hydrogen electrons to form hydrogen sulphide that is covalent in nature.
H2(g) + S(l) → H2S (g)
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संबंधित प्रश्न
.................... liberated when acetic acid reacts with sodium metal.
(a) Hydrogen
(b) Chlorine
(c) Oxygen
(d) Nitrogen
Name the metal which has been placed at the bottom of the reactivity series.
How would you show that silver is chemically less reactive than copper?
Complete and balance the following equation:
Na + O2 →
Complete and balance the following equation:
Out of aluminium, copper, calcium and tin, the most reactive metal is:
(a) aluminium
(b) copper
(c) tin
(d) calcium
A metal less reactive and another metal more reactive than hydrogen are:
(a) aluminium and lead
(b) iron and magnesium
(c) copper and tin
(d) copper and mercury
Answer the following question:
An element X on reacting with oxygen forms an oxide X2O. This oxide dissolves in water and turns red litmus blue. State whether element X is metal or a non - metal. Explain with a proper example.
Where does the metal aluminium, used in the process, occurs in the reactivity series of metals?
Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same?
- Good thermal conductivity
- Good electrical conductivity
- Ductility
- High melting point
