Question

9.According to the definition of pure substance which of the following is a pure substance?
(a) Ice
(b) Mercury
(c) Iron
(d) All of these

please answer correctly otherwise I report your answer
I mark your correct answer as brainest answer ​

Answer 1

Ya, According to definition of Pure substances, All the three : Ice, Mercury and Iron are pure in nature. So, Correct answer is:

$\large{ \underline{ \boxed{ \bf{All \: of \: these \: ( \blue{D})}}}}$

Explanation:

• Pure substances are homogenous and contains only one kinda particles with definite properties.
• Or they are composed of two or more elements combined together in fixed proportion by weight.
• Pure substance: Element and Compound
• Ice is the solid state of Water(H2O). H2O is made up of two elements in fixed proportion by mass. That is 1 : 8. So, It is a Compound and hence a pure substance.
• Mercury is an element and made up of one kind particles with definite set of properties.
• Iron is a metal(element) which is also made up of one kind of particles with definite set of properties.
• Thus, All the options are correct.

Explore more !!

Matter is a substance which have mass and occupies space. On the basis of physical properties, their types:

• Solids
• Liquids
• Gases

And, On the basis of chemical properties:

• Element (Homogenous)
• Compound (Homogenous)
• Mixture (Heterogeneous)

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Answer 2

Explanation:

______________________

Question :-

• According to the definition of pure substance which of the following is a pure substance?

(a) Ice

(b) Mercury

(c) Iron

(d) All of these

______________________

Answer :-

the definition of pure substance, Iron is one of the pure substance .

Pure substances refer to those substances which contain only the same kind of particles.

more information :-

• Pure substance are also the mixture of elements and components.

Example of pure substance and elements:

• Gold,
• Silver,
• Iron,

Know more:

• Pure substance are the pure elements which in present in the nature itself.

Hence, Option (C) - Iron is the Right Answer