The example of the fermentation is
A. formation of wine through the juice of sugarcane
B. appearance of the sourness the moist flour
C. appearance of the sourness in the milk
D. All of the above
Answer: Option D
A. formation of wine through the juice of sugarcane
B. appearance of the sourness the moist flour
C. appearance of the sourness in the milk
D. All of the above
Answer: Option D
Traditional 'battery' contains which of the following chemicals?
A. Ethylene glycol
B. Sulphuric acid
C. Sodium bicarbonate
D. Ethanol
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