1. A stainless steel pan is opaque. T
A stainless steel pan is opaque because we cannot see through it.
2. All gases have a definite shape. F
Gases have no fixed shape, and they fill a container of any size and shape completely.
3. Oil dissolves in water. F
Oil and water do not mix with each other and form two separate layers of oil and water.
4. A paper boat sinks in water. F
A paper boat floats in water because it is lighter than water.