Chemistry
Identify the substances underlined :
(i) The catalyst used to oxidise ammonia.
(ii) The organic compound which when solidified, forms an ice like mass.
(iii) The dilute acid which is an oxidizing agent.
Ammonia
ICSE 2019
Answer
(i) Platinum
3 + 5\text{O}2 \xrightarrow[800 \degree \text{C}]{\text{Pt.}} \text{4NO} + \text{6H}_\text{2}\text{O} + \Delta
(ii) Glacial acetic acid
(iii) Nitric acid
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(ii) Why is the powdered coke sprinkled on top of the electrolyte.
(iii) Name the electrode from which aluminium is collected.
Match the alloys given in column I with the uses given in column II
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2NaOH + CuSO4 ⟶ Na2SO4 + Cu(OH)2↓
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