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 chemical formula shows the simplest whole number ratio of atoms in a compound?

Which type of reaction occurs when a more reactive metal displaces a less reactive metal from its salt solution?

What is the SI unit of the amount of substance in chemistry?

What is the chemical formula for potassium permanganate a strong oxidising agent?

Which type of reaction releases energy to the surroundings causing the temperature to rise?

Which synthetic polymer was the first to be produced commercially and is used to make electrical fittings?

Which type of reaction absorbs energy from the surroundings causing the temperature to fall?

Which polymer is used to make plastic water bottles and is identified by recycling code 1?

What is the role of a catalyst in a chemical reaction?