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 chemical formula for sulfur dioxide a gas that causes acid rain?
Which test is used to detect the presence of starch using iodine solution?
What is the chemical name of the compound with formula CuSO4?
Which element is a semiconductor and is the main component of computer chips?
What is the chemical formula for washing soda used in cleaning?
What is the role of a catalyst in a chemical reaction?
Which type of reaction absorbs energy from the surroundings causing the temperature to fall?
Which type of reaction releases energy to the surroundings causing the temperature to rise?
What is the SI unit of the amount of substance in chemistry?
Which type of chemical formula shows the simplest whole number ratio of atoms in a compound?