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Q. Which of these methods can be used to prevent rancidity?
When food containing fats and oils are exposed to the atmosphere, the oxidation of fat and oil occurs, this is called as Rancidity.
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Q. The drug against infectious disease is
Q. Which of the following substances is added to soap to make it antiseptic?
Q. How many moles are there in 140g of Si (atomic mass of silicon is 28)
Q. Which gas emitted by power stations causes acid rain?
Q. Which among the following elements is found in maximum percentage in the human body ?
Q. Which one of the following statements about an atom is not correct?
Q. The main chemical substance present in the bone and teeth of animal is
Q. An example of a natural fungicide is
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