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प्रश्न
Which non-metal has been placed in the reactivity series of metals?
उत्तर
Hydrogen is the non-metal that has been placed in the reactivity series of metals because it loses electrons to form positive ions (H+) like metals.
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संबंधित प्रश्न
Iron is
(a) More reactive than zinc
(b) More reactive than aluminium
(c) Less reactive than copper
(d) Less reactive than aluminium
Write equation for the reaction of magnesium with oxygen.
How would you show that silver is chemically less reactive than copper?
Name two metals which cannot displace hydrogen from dilute acids.
Name one metal which displaces copper from copper sulphate solution and one which does not.
Out of aluminium, copper, calcium and tin, the most reactive metal is:
(a) aluminium
(b) copper
(c) tin
(d) calcium
An element E reacts with water to form a solution which turns phenolphthalein solution pink. The element E is most likely to be:
(a) S
(b) Ca
(c) C
(d) Ag
Write the chemical equation of the above process.
Which one among the following is an acidic oxide?
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
