Answer:
A. a magnet
Explanation:
Iron fillings could be separated from sand using a magnet
The answer is b. The sum of the individual gas pressure in the mixture
Answer: 0.5 g/cm^3
Density equals mass divided by volume so..
60/120 is 0.5 g/cm^3
20. Would be the right answer
<span>Double displacement reaction is your answer.</span>
