please let me know the answer
of 31 and 32
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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:
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