Matter and its Nature NEET Questions

Physical Chemistry - Some Basic Concepts of Chemistry

Matter and its Nature MCQ Questions


1.
Which of the following statements about matter is correct?
A.
Matter is continuous in nature
B.
Matter is made up of only one type of particle
C.
Matter is composed of indivisible particles
D.
Matter is discontinuous and particulate
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ANSWER :
D. Matter is discontinuous and particulate
2.
Matter is anything that:
A.
Has mass and occupies space
B.
Has volume but no mass
C.
Is weightless
D.
Has neither mass nor volume
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ANSWER :
A. Has mass and occupies space
3.
If kinetic energy of a particle increases to 16 times, the % change in its de-Broglie wavelength is:

NEET - 2019

A.
60%
B.
50%
C.
25%
D.
75%
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ANSWER :
D. 75%
4.
Which of the following is not a characteristic property of matter?
A.
Boiling point
B.
Density
C.
Reactivity
D.
Melting point
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ANSWER :
C. Reactivity
5.
Which of the following is an example of a homogeneous mixture?
A.
Salt solution
B.
Oil and water
C.
Smoke
D.
Sand and salt
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ANSWER :
A. Salt solution
6.
The smallest unit of an element that retains its chemical properties is:
A.
Atom
B.
Molecule
C.
Compound
D.
Ion
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ANSWER :
A. Atom