Chemistry
Identify the catalyst used and the compound formed from the following observation.
(a) A catalyst used in the manufacture of nitric acid by Ostwald's process.
(b) A compound formed when both sulphur trioxide and sulphuric acid reacts.
Related Questions
State the conditions required for the following reactions
(a) Conversion of potassium nitrate to potassium bisulphate.
(b) Conversion of nitrogen and hydrogen to ammonia.
(c) Conversion of ammonia to nitric oxide.
Choose the role played by alloys given as A, B, C with 1 to 3.
A. Solder
B. Duralumin
C. Stainless steel
It is stronger than aluminium, has light weight and is used in making aircraft frames.
It is lustrous, hard, corrosion resistant and used in surgical instruments.
It lowers the melting point of the alloy and is used for soldering purpose.
Write the products and balance the equation.
(a) NH4OH + HCl ⟶
(b) ZnS + HCl ⟶
Arrange the following as per the instructions given in the brackets.
(a) Al, Cl, Na, Si, Mg (increasing order of non-metallic character).
(b) C, F, Li, O, Be (decreasing order of metallic character)
(c) Mg, Al, Na, Si (increasing order of atomic size).