Question

Question 1

A. Complete the following sentences: [5]
i. Normal temperature – 273K = ……………..oC.
ii. When a molten ionic compound is electrolyzed, the metal is always formed at (a) …………….. and the non-metal is always formed at (b)…………..
iii. If temperature is reduced to half ……….. is also reduced to half.
iv. The catalyst used to manufacture nitric acid by Ostwald’s process is……….

Answer 1

1) -273k
oC=k-273.15
=-273-273.15
=-546.1 oc

3) volume

Answer 2

1.-546oC

2.i. cathode

ii. anode

3.volume

4. Platinum