(a)
Interpretation:
To justify whether the given statement is true or false.
Concept Introduction:
The phases, solid, liquid or gas, are interconvertible from one to another by addition or removal of energy.
(b)
Interpretation:
To justify whether the given statement is true or false.
Concept Introduction:
Density of any substance is a ratio of its mass and volume. It gives information about the degree of compactness of a substance.
(c)
Interpretation:
To justify whether the given statement is true or false.
Concept Introduction:
The solid phase of a substance has definite shape and volume as the intermolecular force of attraction between the atom/ions or molecules are very strong.
(d)
Interpretation:
To justify whether the given statement is true or false.
Concept Introduction:
Matter or element or substances which are surrounded around us are having three basic forms-
(e)
Interpretation:
To justify whether the given statement is true or false.
Concept Introduction:
Crystallization is a process in which liquid is cooled to particular temperature to form a solid form of it. Carbon has five allotropes which are having different chemical and physical properties.
(f)
Interpretation:
To justify whether the given statement is true or false.
Concept Introduction:
Crystalline form of carbon like diamond, graphite, buckyball, nanotube and soot are having different arrangements of carbon atom in it. Depends upon the arrangements of carbon atoms, this crystalline form is differentiated.
(g)
Interpretation:
To justify whether the given statement is true or false.
Concept Introduction:
An arithmetical multiplier which is used for converting a quantity expressed in one unit into another equivalent set of units is said to be conversion factor.
(h)
Interpretation:
To justify whether the given statement is true or false.
Concept Introduction:
Carbon nanotubes are allotropes of carbon whose structure is cylindrical nanostructure.
(i)
Interpretation:
To justify whether the given statement is true or false.
Concept Introduction:
Carbon has five allotropes which are having different chemical and physical properties. Examples are diamond, graphite, soot, nanotubes and buckyball.
(j)
Interpretation:
To justify whether the given statement is true or false.
Concept Introduction:
The process in which the substance changes from a solid phase to liquid phase is said to be the melting of solid.
(k)
Interpretation:
To justify whether the given statement is true or false.
Concept Introduction:
Solids that do not have definite geometrical shape are said to be amorphous in nature, they do not have sharp melting point and lack in long-range order.
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Introduction to General, Organic and Biochemistry
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