Question

slide 8: more examples of mixtures. name the mixture and list its parts
name of mixture\tcomponents/ parts
1.
2.
3.
4.

Explanation:

1. Air: Nitrogen (about 78%), oxygen (about 21%), argon (about 0.93%), carbon - dioxide (about 0.04%) and trace amounts of other gases like neon, helium etc.
2. Salt - water: Salt (sodium chloride) and water.
3. Soil: Minerals (such as sand, silt, clay), organic matter (humus), air, water and living organisms (like bacteria, fungi, earthworms).
4. Brass: Copper and zinc.

Answer:

1. Air; Nitrogen, oxygen, argon, carbon - dioxide, trace gases
2. Salt - water; Salt, water
3. Soil; Minerals, organic matter, air, water, living organisms
4. Brass; Copper, zinc