NEET MCQ for Chemistry 12
Q.1.Which gas is used in making of Vanaspati ghee from vegetable oils?
A) N2
B) NO2
C) Ne
D) H2
Q.2.Other name of collapsing pulse is…….
A) Thread pulse
B) Bounding pulse
C) Water hammer pulse
D) Pulse deficit
Q.3.Which of the following elements have the lowest and highest boiling point in the Periodic table?
A) Helium and Tungsten
B) Helium and Rhenium
C) Hydrogen and Rhenium
D) Hydrogen and Tungsten
Q.4.After a nuclear disaster, the Strontium-90 becomes an health issue of great concern. What is the major concern about this particular isotope?
A) Strontium-90 gets deposited in the Red Blood Cells and causes Blood Cancer
B) Strontium-90 gets deposited in bones and bone marrow and causes cancer
C) Strontium-90 gets deposited in the Liver cells and causes Liver Cirrhosis
D) None of the above is a correct statement
Q.5.Which of the following solution is isotonic?
A) 0.9% saline
B) Dextron
C) 0.45% saline
D) Dextrose saline
Q.6.Which of the following chemicals is also known as “butter of tin”?
A) Sodium perborate
B) Stannic chloride
C) Potassium nitrate
D) Magnesium hydroxide
Q.7.Who invented Bakelite, which is one of the first commercially successful plastics of the world?
A) Otto Bayer
B) Arthur W. Carpenter
C) Leo Baekeland
D) Jean-Baptiste Donnet
Q.8.Which among the following acids is generally used as a first hand test to judge whether a metal is Gold or not?
A) Sulfuric Acid
B) Hydrochloric Acid
C) Sulfurous Acid
D) Nitric Acid
Q.9.Who among the following conceived the first recognizable periodic table of chemical elements?
A) Marie Skłodowska Curie
B) John Dalton
C) Dmitri Mendeleev
D) Amedeo Avogadro
Q.10.Partograph is also known as _____.
A) Uterograph
B) Cervicograph
C) Ovariograph
D) Vaginograph
Q.11.Bell metal is an alloy of which of the following metals?
A) Copper and Mercury
B) Copper and Lead
C) Copper and Tin
D) Copper and Zinc
Q.12.Which of these species are isoelectronic?
A) Al+, B–
B) Mg+, Cu–
C) Na+, F–
D) Na+, Al–
Q.13.An element has only K and L shell and both are full with electrons as per their capacity. What is its atomic number?
A) 8
B) 12
C) 10
D) 14
Q.14.Bayer process is related to which of the following?
A) Production of Copper oxide
B) Production of Zinc oxide
C) Production of Alumina
D) Production of Silicon dioxide
Q.15.What is the relation between mass and wavelength of any matter, as per de Broglie’s relation?
A) Both are directly proportional
B) Both are independent of each other
C) Both are inversely proportional
D) Wavelength is twice the square of the mass
Q.16.Which of the following elements is represented by Xe) 6s1?
A) Indium
B) Caesium
C) Rubidium
D) Platinum
Q.17.Which of the following is / are correct statements about Metallic oxides?
Metallic oxides are also called as basic oxides
Metallic oxides react with acid to give salt and water
Select the correct option from the codes given below:
A) Only 1
B) Both 1 & 2
C) Only 2
D) Neither 1 nor 2
Q.18.Where does the oxidation takes place in a Galvanic cell?
A) Cathode
B) Anode
C) Oxidation does not take place
D) None of the above
Q.19.Which of the following is an example of secondary battery?
A) Mercury cell
B) Dry cell
C) Nickel-cadmium cell
D) All of the above
Q.20.What do we get when we pass phenol vapours over zinc dust?
A) Methane
B) Benzene
C) Ethene
D) Toluene
Q.21.Three moles of an ideal gas spontaneously expand in a vacuum. Find the work done.
A) Infinite.
B) 3-Joules.
C) Zero.
D) 9-Joules.
Q.22.What is the product when Methane reacts with steam in the presence of Nickel catalyst?
A) Carbon dioxide and ethane
B) Carbon monoxide and dihydrogen
C) Ethyne
D) Carbon monoxide and Water vapour
Q.23.Which of the polymers is formed due to the reaction of hexamethylene diamine and adipic acid?
A) PVC
B) Nylon 6, 6
C) Polypropylene
D) Teflon
Q.24.What percentage of carbon is present in steel?
A) 2.5 to 5.0
B) 5.0 to 7.5
C) 0.0 to 2.5
D) 7.5 to 10.0
Q.25.Washing soda can be obtained from baking soda by __:
A) Mixing with Hydrochloric Acid
B) Heating with Slaked Lime
C) Making a solution in Lime water
D) Heating
