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Acidity
Alkalinity
Hardness
Eutrophication
Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ?
Which of the following is correct about Ammonia?
Which of the following is correct about Hydrazine?
Which of the following is formed when an acid reacts with an alcohol?
Which of the following is known as carbolic acid
Which of the following is neither an element nor a compound?
Which of the following is not a compound of calcium?
Which of the following is NOT a compound?
Which of the following is not a natural source of air pollution ?
Which of the following is NOT a property of bases?