Punjab Public Service Commission — Complete MCQ Bank
PPSC examinations recruit candidates for Punjab government departments and commonly test general knowledge, current affairs, English and post-related subjects.
What is the concentration of a solution measured in moles per litre called?
Which scientific law states that equal volumes of all gases at the same temperature and pressure contain equal numbers of molecules?
Which type of reaction occurs when a more reactive metal displaces a less reactive metal from its salt solution?
What is the chemical formula for potassium permanganate a strong oxidising agent?
Which synthetic polymer was the first to be produced commercially and is used to make electrical fittings?
Which polymer is used to make plastic water bottles and is identified by recycling code 1?
What is the chemical formula for bleaching powder used in water purification?
What is saponification in chemistry?
Which process converts vegetable oils into solid fats by adding hydrogen in the presence of a nickel catalyst?
What is the chemical name of aspirin widely used as a pain reliever?