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प्रश्न
Which of the following metals does not give hydrogen with acids?
पर्याय
Iron
Copper
Lead
Zinc
उत्तर
Copper
APPEARS IN
संबंधित प्रश्न
From the knowledge of activity series, name a metal which shows the following properties:
It displaces hydrogen from hot water.
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Name the gas formed in the reaction. How would you test the gas?
Choose the correct option:
Hydrogen is evolved by the action of cold dil. HNO3 on
Based on the reactions of water on metals, arrange the following metals in increasing order of reactivity: iron, sodium, magnesium, zinc, calcium
Hydrogen is obtained by displacement from:
- dilute sulphuric acid
- dilute hydrochloric acid
Write equations using zinc and iron.
Why does copper not show similar behavior?
Name two alkalies that can displace hydrogen. Give balanced equations for the same. Why are the metals you have used considered to have a unique nature?
Select the odd one out and justify your answer.
Fe, Zn, Cu and Mg
Correct the following statement:
Conc. H2SO4 reacts with zinc to liberate hydrogen.
Using dilute sulphuric acid how would you differentiate between:
Copper and magnesium
How would you identify the gaseous products evolved.
Name the following.
The salt formed when aluminium reacts with potassium hydroxide, during the preparation of hydrogen from alkalis.
