Which one of the following is used as preservative for foodstuff ?
1). Sodium Benzoate
2). Picric acid
3). Glycerine
4). Sodium Chloride
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1. An emulsion is a colloidal solution of
2. The atmospheric gas that is mainly responsible for Green House effect :
3. The non-metal found in the liquid state is
4. The important ore of aluminium is
5. What is the product formed when sodium bicarbonate is heated strongly?
6. Which one of the following is used as preservative for foodstuff ?
7. Total number of elements in the Periodic table
8. Among the fuels given below, the one with highest calorific value is