91. The metal ion present in Vitamin B12 is
92. The metal present in vitamin B12 is
93. Which of the following is not present in RNA
94. The enzyme that converts glucose to ethyl alcohol is :
95. The fat of a common mussel-secretes a sticky glue that can be used to make heart implants. The unique chemical compound present in the glue is:
96. During fermentation of sugar, the compound which is always formed is :
97. If a buffer solution is diluted its pH
98. 'Vinegar' is a commercial name of
99. The apparatus used to test acidity of aqueous solution is
100. Which one of the following organic compound is used to remove stains of iron compounds?
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