BSSC Inter Level · General Science
Fertilizers, pesticides, soaps, detergents and food chemistry.
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Q1 · Chemistry in Daily Life · EASY
Which of the following is commonly used as a preservative in pickles and jams?
Q2 · Chemistry in Daily Life · MEDIUM
What is the main nutrient provided by NPK fertilizers where 'P' stands for?
Q3 · Chemistry in Daily Life · MEDIUM
Which chemical substance is responsible for the cleansing action of soaps and detergents?
Q4 · Chemistry in Daily Life · HARD
DDT (Dichloro-Diphenyl-Trichloroethane) was widely used as a pesticide but is now banned in many countries. What is the primary reason for this ban?
Q5 · Chemistry in Daily Life · EASY
Baking soda is chemically known as: