Explain why mixing of iron and sulphur is a physical change while heating the mixture is a chemical change. Don't scam please.
Answers
Best Answer: A physical change is a change in size, shape, state or solution. You still have the same material.
A chemical change is noted by a color change, gas being given off, a precipitate formed, or a great amount of temperature change. A new substance is formed.
A. just mixing does not generally cause a chemical change. P
B. mixing all-physical
C. Burning is the combination with oxygen, heat is given off, new materials formed. Chemical
D. Mixing, no chemical change P
E. Heating sucrose will eventually cause a change to occur. This is seen when there is a color change to brown and caramelization has occurred. Chemical
F. Mixing NaHCO3, baking soda with an acid will cause a gas CO2 to be given off. Chemical An acid on a carbonate releases CO2
Answer:
When substances are mixed together, it can result either in a physical change or a chemical change. ... But when the mixture is heated, it glows after some time and a black substance is formed which is different from iron and sulphur. So, heating a mixture of iron and sulphur results in a chemical change.