Question

Which of the following is not always true of matter?
a. has weight
b. occupies space
c. can be seen
d. is made up of molecules​

Answer 1

Answer:

Option (c) can be seen, is not always true for matter.

Explanation:

Matter is a substance made from numerous varieties of particles that occupy a physical area and has inertia, and mass.

There are in total 3 standard states of matter, namely:-

• Solid
• Liquid
• Gases

According to the questions, the properties of matter that justify all the 3 states:-

1. Has weight:- Every state be it Liquid, be it Solid, be it Gas, has its own weight. In the case of solid, and liquid we all know that they have their own weight. For Gases, the Balloon Balance Experiment proves that air has weight.
2. Occupies Space:- Every state be it Liquid, be it Solid, be it Gas, occupies thier own space.
3. Can Be Seen:- Every state be it Liquid, be it Solid can be seen with naked eyes, but in the case of Gases, it can only be seen if the gas possesses any color or else gases are colorless.
4. Is Made Up Of Molecules:- According to the definition of matter, it states that every state of matter is made up of different numerous molecules.

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Answer 2

Option (c) can be seen, is not always true for matter.

Explanation:

Matter is a substance made from numerous varieties of particles that occupy a physical area and has inertia, and mass.

There are in total 3 standard states of matter, namely:-

• Solid
• Liquid
• Gases

According to the questions, the properties of matter that justify all the 3 states:-

Option (a) Has weight:- Every state whether it is Liquid, Solid, Gas ,they has their own weight. In the case of solid, and liquid they possess their own weight. For Gases, the Balloon Balance Experiment proves that air has weight.

Option (b) Occupies Space:- Every state whether it is Liquid, Solid, Gas, all occupies their own space.

Option (c) Can Be Seen:- Every state whether it is Liquid, Solid they  can be seen with naked eyes, but in the case of Gases, it can only be seen if the gas possesses any color or else gases are colorless.

Option (d) Is Made Up Of Molecules:- According to the definition of matter, it states that every state of matter is made up of different numerous molecules.

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