Answer:
Answer is explained below:
Explanation:
Your feet rub electrons off the carpet so, when we walk on carpeted floor more electrons move into our body and this is because of static electricity. Static electricity is stationary electric charge, generally produced by friction.
H20 can be a molecule or a compound because it is made up of Hydrogen(H)
and oxygen (O)
Answer: 100C of heat is needed.
Explanation: That is the heating point of water
Answer:
A pure solid is heated and turns into a pure liquid.
Explanation:
No colour change recorded, only change of state, hence this is a physical change - physical changes I.e. change of state and temperature are not chemical reactions.
