Advertisements
Advertisements
प्रश्न
Select the correct answer for the statement given below:
The catalyst used in the catalytic reaction involving the reactants nitrogen and hydrogen.
विकल्प
Iron
Carbonic acid
Hydrogen
Oxygen
Carbon monoxide
Advertisements
उत्तर
Iron
APPEARS IN
संबंधित प्रश्न
What do you observe when silver nitrate is added to a solution of sodium chloride?
What do you observe when ferrous sulphate solution is added to an aqueous solution of sodium hydroxide.
What do you observe when magnesium ribbon is burnt in oxygen?
Write the chemical equation for the event.
A reaction was brought about between ferric oxide and aluminium.
With reference to Acid explain with a suitable example of how the reactivity of the metals could be differentiated.
Complete the statement by filling in the blank with the correct word:
The metal which reacts with steam and the reaction is reversible is ________.
Observe the following diagram and identify the type of reaction and write observation.

Which among the following statements is incorrect for magnesium metal?
Explain the following
- Reactivity of Al decreases if it is dipped in HNO3
- Carbon cannot reduce the oxides of Na or Mg
- NaCl is not a conductor of electricity in solid state whereas it does conduct electricity in aqueous solution as well as in molten state
- Iron articles are galvanised.
- Metals like Na, K, Ca and Mg are never found in their free state in nature.
Of the three metals X, Y and Z. X reacts with cold water, Y with hot water and Z with steam only. Identify X, Y and Z and also arrange them in order of increasing reactivity.
