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RRB Group-D Model Paper 13 with answers for online practice
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© examsnet.com
Question : 7
Total: 100
Lemon fruit is a rich source of
malic acid
citric acid
tartaric acid
acetic acid
Validate
Solution:
Lemon fruit is a rich source of citric acid.
Citric acid is a weak organic acid.
It is a six-carbon tricarboxylic acid.
A manufactured form of citric acid is commonly used as an additive in food, cleaning agents, and nutritional supplements.
Citric acid is mainly produced by fungal fermentation.
Chemical synthesis of citric acid is possible, but it is expensive than fungal fermentation.
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