Melting? not really sure what type of answer they are going for but the substance is going through the melting phase
Answer:
The compound is an <em>alkali</em>
Explanation:
Although acids and bases in solution can conduct electricity due to the presence of free ions available to carry charges, bases or alkalis turn phenolphthalein indicator pink; as opposed to acids which give colourless test on the indicator.
The anayte compound is therefore a concentrated alakli solution.
Answer:
Glass and lens making have improved, and electronic features for microscopes have become available
Explanation:
Answer:
E) 1, 2, and 3
Explanation:
50g H2O + 0.45g NaCl --> 50.45g saline solution
1.matter is made up of small particles
2.particles of matter are in constant random motion
Explanation:
1.Particles eg of salt can be crashed into smaller particles 2.When you sprinkle pollen grains on water in a beaker and observe using a hand lens U'll see they are moving randomly
