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Chemistry CBSE Live product
Class 10 (2026-27)
Chemical reactions and equations
Redox reaction, corrosion and rancidity
2.
Rancidity
Question:
2
m.
Identify the correct answer:
1.
A bakery adds BHT and vitamin E to cookies containing butter. What is the main purpose of these additives?
To enhance microbial activity for fermentation
To make the cookies softer
To make cookies more colourful
To prevent oxidative rancidity and maintain flavour
2.
A chip manufacturer flushes nitrogen gas into the packets before sealing them. This is done primarily to
increase the shelf life by removing moisture
prevent oxidative rancidity by reducing oxygen exposure
kill microbes present in the chips
enhance the flavour of chips
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