D. the reflection of each concave lens makes the object appear larger
Three states of matter
Solids, liquids and gases are three states of matter. In solids, the particles are tightly packed together. In liquids, the particles have more movement, while in gases, they are spread out. Particles in chemistry can be atoms, ions or molecules.
It is important to understand the particle nature of matter. The particles that make up matter are not ‘small bits of solid’ or ‘small drops of liquid’ but atoms and molecules. The physical characteristics of those atoms and molecules decide its state.
The compounds that can dissociate in water from the options given below are;
Ba(NO3)2
CaSO4
Mg3(PO4)2
<h3>What is dissociation of compounds?</h3>
Dissociation of compound is the process by which compounds degraded into smaller unit which can also recombine to form larger one in another condition.
When ionic compounds dissociate in water, the water molecules separate the ionic crystal. This is because of the attraction between the positive and negative ions in the crystal.
Therefore, The following compounds dissociate in water.
Ba(NO3)2
CaSO4
Mg3(PO4)2
Learn more about dissociation of compounds here.
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