Matter and its Nature NEET Questions

Physical Chemistry - Some Basic Concepts of Chemistry

Matter and its Nature MCQ Questions


7.
The constituent particles of an element may exist as:
A.
Either atoms or molecules
B.
Only molecules
C.
Only atoms
D.
Only ions
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ANSWER :
A. Either atoms or molecules
8.
Acharya Kanada (born 600 BCE) proposed the concept of indivisible particles called:
A.
Paramanu
B.
Bhasma
C.
Atomos
D.
Anu
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ANSWER :
A. Paramanu
9.
In ancient India, chemistry was known by all the following names EXCEPT:
A.
Rasayan Shastra
B.
Ras Kriya
C.
Rastantra
D.
Ayurveda
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ANSWER :
D. Ayurveda
10.
Which Indian scientist is credited with discovering mercury sulphide and inventing soap?
A.
Varahmihir
B.
Sushruta
C.
Nagarjuna
D.
Chakrapani
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ANSWER :
D. Chakrapani
11.
The SI base unit of amount of substance is:
A.
Mole
B.
Gram
C.
Candela
D.
Kilogram
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ANSWER :
A. Mole
12.
Which of the following is NOT one of the seven SI base units?
A.
Candela
B.
Litre
C.
Ampere
D.
Kelvin
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ANSWER :
B. Litre