50+ NEET MCQ Questions Some Basic Concepts of Chemistry Elements with Solutions

Here we will provide you the 50+ MCQ Questions of Some Basic Concepts of Chemistry for NEET-UG. Some Basic Concepts of Chemistry  is the chapter 1 in Class XI or Class 11 Chemistry NCERT Unit Some Basic Concepts of Chemistry NEET (conducted by NTA) is based on the NCERT book.

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These 50+ MCQ questions are selected by the experts of studyrate.in and these are more difficult questions, which will help you to better understand Some Basic Concepts of Chemistry NEET MCQ Questions with Answers.

Some Basic Concepts of Chemistry NEET MCQ


Which of the following is not an intensive property of matter?
a) Temperature
b) Density
c) Volume
d) Viscosity

Answer: c) Volume

Which of the following is not a fundamental particle of an atom?
a) Electron
b) Neutron
c) Proton
d) Photon

Answer: d) Photon

Which of the following is a chemical change?
a) Melting of ice
b) Boiling of water
c) Burning of wood
d) Dissolving of salt in water

Answer: c) Burning of wood

Which of the following is an example of an exothermic reaction?
a) Burning of wood
b) Melting of ice
c) Boiling of water
d) Photosynthesis

Answer: a) Burning of wood

The number of atoms in 1 mole of a substance is known as:
a) Atomic number
b) Avogadro number
c) Mass number
d) Isotopic number

Answer: b) Avogadro number

The formula for sodium chloride is:
a) NaOH
b) NaCl
c) HCl
d) H2SO4

Answer: b) NaCl

The oxidation state of oxygen in most compounds is:
a) +1
b) -1
c) +2
d) -2

Answer: d) -2

Which of the following is a reducing agent?
a) CuO
b) Na2CO3
c) Fe2O3
d) H2SO4

Answer: a) CuO

Which of the following is not a noble gas?
a) Helium
b) Argon
c) Nitrogen
d) Neon

Answer: c) Nitrogen

The process of converting a liquid into a gas at a temperature below its boiling point is called:
a) Melting
b) Boiling
c) Evaporation
d) Sublimation

Answer: c) Evaporation


Which of the following is a metalloid?
a) Silicon
b) Sodium
c) Calcium
d) Chlorine

Answer: a) Silicon

Which of the following is a non-polar molecule?
a) H2O
b) CO2
c) NH3
d) CH3OH

Answer: b) CO2

The atomic number of an element is determined by the number of:
a) Electrons
b) Protons
c) Neutrons
d) Both b) and c)

Answer: b) Protons

The molar mass of water (H2O) is:
a) 18 g/mol
b) 22 g/mol
c) 20 g/mol
d) 24 g/mol

Answer: a) 18 g/mol

Which of the following is not a type of chemical reaction?
a) Acid-base reaction
b) Oxidation-reduction reaction
c) Isomerization reaction
d) None of the above

Answer: d) None of the above

The formula for methane is:
a) CH4
b) CH3OH
c) C2H5OH
d) C6H12O6

Answer: a) CH4

Which of the following is a noble gas?
a) Nitrogen
b) Helium
c) Fluorine
d) Chlorine

Answer: b) Helium

The SI unit of temperature is:
a) Kelvin
b) Celsius
c) Fahrenheit
d) Rankine

Answer: a) Kelvin

The process of a gas turning into a liquid is called:
a) Condensation
b) Evaporation
c) Sublimation
d) Deposition

Answer: a) Condensation

The chemical formula for calcium carbonate is:
a) CaCO2
b) Ca(OH)2
c) CaCO3
d) CaSO4

Answer: c) CaCO3


Which of the following is a strong acid?
a) HClO2
b) HNO2
c) HCl
d) H3PO4

Answer: c) HCl

The number of orbitals in an energy level is given by:
a) n^2
b) 2n^2
c) n
d) 2n

Answer: a) n^2

Which of the following is a non-metal?
a) Sodium
b) Calcium
c) Chlorine
d) Iron

Answer: c) Chlorine

The mass of one mole of carbon-12 atoms is:
a) 6 g
b) 12 g
c) 24 g
d) 48 g

Answer: b) 12 g

Which of the following is an example of a heterogeneous mixture?
a) Saltwater
b) Air
c) Sugar dissolved in water
d) Granite

Answer: d) Granite

Which of the following is a Lewis acid?
a) HCl
b) H2O
c) Fe3+
d) NH3

Answer: c) Fe3+

The law that states that the total mass of the reactants is equal to the total mass of the products in a chemical reaction is known as:
a) Law of conservation of mass
b) Law of definite proportions
c) Law of multiple proportions
d) None of the above

Answer: a) Law of conservation of mass

The mass percent of oxygen in water is:
a) 11.1%
b) 16.7%
c) 33.3%
d) 50%

Answer: b) 16.7%

The maximum number of electrons that can be accommodated in an energy level is given by:
a) 2n^2
b) n^2
c) 2n
d) n

Answer: a) 2n^2

Which of the following is not a characteristic of an acid?
a) Sour taste
b) Turns litmus paper red
c) Produces OH- ions in water
d) Reacts with metals to produce hydrogen gas

Answer: c) Produces OH- ions in water

We hope there NEET MCQ of Class 11 .Structure of Atom will help you to score an excellent rank in NEET-UG. If you have any queries feel free to write in the comments section. We at Study Rate are always ready to serve our students.

Sneha

Master's in Biology, Skilled in vocational training. Strong Analytical and creative knowledge.

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