What is the name of the instrument that makes small objects look larger?
Back
Card 17
Front
What 'M' is a substance consisting of two or more substances mixed together, not chemically bonded?
Back
Card 18
Front
What is the name of the process which occurs when an acid reacts with an alkali (or base) to produce salt and water?
Back
Card 19
Front
What is the name of a circuit with branches that split apart and join up again?
Back
Card 20
Front
What is the name of the mass of tissue that is attached to the wall of the uterus and transfers oxygen and food from the mother's blood to the foetus and waste materials from the foetus back to the mother's blood?
Back
Card 21
Front
What is the name of a substance or molecule that participates in a chemical reaction?