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Interpretation:
The air needs to be classified as element, compound, heterogeneous or a homogenous mixture.
Concept introduction:
On the basis of composition of matter one can distinguish the given substance.
Answer to Problem 101A
Air is Homogeneous mixture when non-polluted.
Explanation of Solution
Air consists of definite composition of various gases thus is a homogeneous mixture.
(b)
Interpretation:
The blood needs to be classified as element, compound, heterogeneous or a homogeneous mixture.
Concept introduction:
On the basis of composition of matter one can distinguish the given substance.
Answer to Problem 101A
Blood is a heterogeneous mixture.
Explanation of Solution
As in blood, blood cells can be separated from plasma so it is a heterogeneous mixture.
(c)
Interpretation:
Antimony needs to be classified as element, compound, heterogeneous or a homogeneous mixture.
Concept introduction:
On the basis of composition of matter one can distinguish the given substance.
Answer to Problem 101A
Antimony is an element.
Explanation of Solution
As antimony can’t be further broke down by any chemical means so it is an element.
(d)
Interpretation:
Ammonia needs to be classified as either element, compound, heterogeneous or a homogeneous mixture.
Concept introduction:
On the basis of composition of matter one can distinguish the given substance.
Answer to Problem 101A
Ammonia is a compound.
Explanation of Solution
As ammonia is formed chemically by two elements nitrogen and oxygen so it is a compound.
(e)
Interpretation:
Mustard needs to be classified as either element, compound, heterogeneous or a homogeneous mixture.
Concept introduction:
On the basis of composition of matter one can distinguish the given substance.
Answer to Problem 101A
Mustard is a heterogeneous mixture.
Explanation of Solution
Because in mustard one can separate the parts by mechanical means so it is a heterogeneous mixture.
(f)
Interpretation:
Water needs to be classified as either element, compound, heterogeneous or a homogeneous mixture.
Concept introduction:
On the basis of composition of matter one can distinguish the given substance.
Answer to Problem 101A
Water is a compound.
Explanation of Solution
As water is formed chemically by two elements oxygen and hydrogen so it is a compound.
Chapter 12 Solutions
Chemistry: Matter and Change
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