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More Chemistry Questions
Often the positive elements have valency.-
'W'h'i'c'h' 'o'f' 't'h'e' 'f'o'l'l'o'w'i'n'g' 's'o'l'u't'i'o'n's' 'w'i'l'l' 'h'a'v'e' 't'h'e' 'l'o'w'e's't' 'p'H' 'v'a'l'u'e'?'
The metallic constituents of hard water are :
Carbon footprint can be reduced by
The proven formula using the compound is CH 2 O, its vapor density is 90. The molecular formula of the compound is: