Download App

9.1 Ammonia — Chemistry STD 10 — Question

ICSE BoardEnglish MediumSTD 10Chemistry9.1 Ammonia2 Marks
Question
What is the function of:
(i) finely divided iron
(ii) Molybdenum in the above process
✓

Answer

(i) Finely divided iron acts as catalyst which alters the rate of reaction,
but itself does not undergo any chemical change.
(ii ) Molybdenum acts as promoter which increase the efficiency of
the catalyst.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[2 Mark Question Answer]" from 9.1 Ammonia→9.1 Ammonia — all question types→Chemistry STD 10 question papers→ICSE Board STD 10 question papers→ICSE Board question paper generator→

Similar questions

Name the compounds formed when methane burns in : sufficient air, Give a balanced equation
→
How is the passage of electricity through an electrolyte different from the passage of electricity through a copper wire?
→
Write sqauential observation for effect of heat on Copper nitrate.
→
Under what conditions does ethane get converted to acetaldehyde .
→
Give reasons for Aqueous solution of ammonia conducts electricity.
→
Using Sodium hydroxide solution, how would you distinguish: Zinc nitrate solution from calcium nitrate solution.
→
Give at least one example in case to show structure of isomers of single bond compound ?
→
Sulphuric acid is manufactured by the contact process.
Give two balanced equations to obtain $SO_2$​​​​​​​ in this process.
→
Give reason for the following:
Commercial nitric acid is yellow in colour, but when it is diluted with water, it turns colourless.
→
Methane is the first member of alkane, when it is treated with excess of chlorine in the presence of diffused forms carbon tetrachloride. Draw the appropriate structural formula of carbon tetrachloride and state the type of bond present is it.
→