You have been given a mixture of salt and sand and have been asked to design a laboratory procedure to separate the mixture. At each step of your procedure, identify the type of matter present: element compound, solutioncolloid, or suspension. Use scientific Information to explain your classification

Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.

Classify this reaction: 2al+n2-> aln.

Can someone me with 6 to 10 plz this is for masteries test.