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प्रश्न
Select the odd one out and justify your answer.
Zn, Fe, Mg, and Na
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उत्तर
Na
The other metals react with dil. HCl liberating hydrogen gas, while sodium reacts violently with acid.
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संबंधित प्रश्न
Write a balanced equation for the following:
Iron reacts with dil. HCl
Thin strips of magnesium, copper, and iron are taken.
Arrange these metals in descending order of reactivity.
Which metal is preferred for collecting hydrogen from:
Write the balanced equation
Hot water
Helium is preferred to hydrogen for filling balloons because it is:
Which of the following metals does not give hydrogen with acids?
Correct the following statement:
Very dilute nitric acid reacts with iron to produce hydrogen.
Give a chemical test to distinguish between the following gases:
Hydrogen chloride and hydrogen sulphide
Using dilute sulphuric acid how would you differentiate between:
Sodium sulphide and sodium carbonate.
How would you identify the gaseous products evolved.
‘Magnesium reacts with very dilute nitric acid at low temperatures liberating hydrogen.’ Give reasons.
Name the following.
The salt formed when aluminium reacts with potassium hydroxide, during the preparation of hydrogen from alkalis.
