Question

please let me know the answer
of 31 and 32​

Answer 1

Answer:

31.

1) anhydrous means moist free. so, anhydrous copper helps in finding moisture in the as it starts reacting with the moisture and smells very bad.

2) Zn + H2SO4 ----->  ZnSO4 + H2

it is possible as zinc(Zn) is more or highly reactive and so it is possible.

anothe one is not possible because it is less reactive.

3) A test tube containing distilled water will show light green color when few drops of universal indicator is added and ph value will be 7.

32.

1) sorry i don't know this one.

2) Alkanes burn with clean air because they do not have any impurities within them.

Explanation: