The wood in a matchstick is made of cellulose, a polymer of glucose molecules. When you light the matchstick, heat and light are given off, indicating that an exothermic reaction is occurring.
There are two types of reactions:
1. Exothermic reactions: In these reactions, the reactants combine to form product and heat is liberated. Example, burning of fuel.
2.Endothermic reactions: In these reactions, the reactants combine to form product and heat gets absorbed from the surroundings. Example, photosynthesis in plants where the energy of the Sun gets absorbed.
That is correct. Only 3 will be lit.
With parents you are not alone and with people you love and chances are have free room and board. However privacy and independence may become contraindicative.
Living alone you can kiss goodbye to room and board, however you have a personal and free life.
Living with a room is the half and half, you are somewhat free and private and you don't go it alone while paying room and board.
Answer:
hope it's help you ok have a good day
