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प्रश्न
What are preservatives?
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उत्तर
Substances added to food stuffs to store them for a longer period are called preservatives. By using preservatives, we can relish some foodstuffs like fruits even after their season is over.
संबंधित प्रश्न
What’s the solution?
The papads have become soft and moist.
Find and correct the wrong statement.
Foodstuffs dried in summer cannot be used for the rest of the year.
_______ is an easily digested food.
Which one cannot be preserved by the drying method?
We make Idiyappam by _______ method.
Biriyani is a raw food.
What will happen to ‘pooris’ and ‘unused kneaded flour’ if they are left in the open for a day or two?
Observe the set-up given in figure and answer the following questions.
- What happens to the sugar solution in A?
- Which gas is released in A?
- What changes will you observe in B when the released gas passes through it?

How can we prevent the following diseases?
Typhoid
Complete the following cycle given as figure by filling the boxes (a), (b), (c), (d).

