NEET MCQ for Chemistry 6
A) Number of moles of solute present in IL of solution
B) Number of moles of solute present in 100mL of solution
C) Number of moles of solute present in 1 kg of solvent
D) Number of gram Eq. of solute present in IL of solution
Q.2.Which of the following is not a variable in the de Broglie equation?
C) Planck’s constant
Q.3.Which of the following is an amorphous solid?
A) Graphite (C)
B) Quartz glass (SiO2)
D) Silicon carbide
Q.4.Formula of toluene is
Q.5.Rate law for the reaction A + 2B? C is found to be; Rate = k [A][B concentration of reactant ‘B’ is doubled, keeping the concentration of ‘A’ constant, the value of rate constant will be
A) The same
Q.6.The liquid metal at room temperature
Ques.7.Reduction of aldehydes and ketones into hydrocarbons using zinc amalgam and cone.HCl is called
A) Cope reduction
B) Dow reduction
C) Wolff Kishner reduction
D) Clemensen reduction
Q.8.Aldol condensation is the reaction of
A) Acetaldehyde and KOH
B) Formaldehyde and 10% NaOH
C) Formaldehyde and HCN
D) Acetone and chloroform
Q.9.In which of the following Mercury is a constituent?
B) Chile saltpeter
Q.10.The most extensive, commercially useful source of thorium as monazite sand occurs in India at
A) Orissa coast
B) Travancore coast
C) West Bengal coast
D) Gujarat coast
Q.11.The Latin word Formica means ant. The name formic acid is derived from this Latin word because
A) This acid, in ancient times, was used to eliminate ant-hills
B) This corrosive acid is secreted by ants to drive away their enemies
C) This acid was first obtained by the distillation of ants
D) Ants are attracted by the odor of this acid
Q.12.The carbonate ores are changed into oxides by heating strongly in limited air
This process is known as â€
Q.13.Consider the following
1. Oxides of Hydrogen
2. Oxides of Nitrogen
3. Oxides of Sulphur
Which of the above causes acid rains?
A) 1 and 2
B) 3 only
C) 2 and 3
D) 1,2 and 3
Q.14.Which of the following compounds is not colored yellow?
A) Zn2[Fe (CN)6]
B) K3 [Co (NO2)6]
C) (NH4)3[As (MO3O10)4]
Q.15.The mass of one Avogadro number of helium atom is
A) 1.00 gram
B) 4.00 gram
C) 8.00 gram
D) 4 x 6.02 x 1023 gram
Q.16.The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is
Q.17.What is the number of known crystalline phases of water?
Q.18.Why is phosphorus kept under water?
A) To make it wet
B) To make it durable
C) Water forms a protective coating on it
D) To save it from catching fire when exposed to dry air
Q.19.The major component used in preparation of different types of glasses is:
A) Sodium borate
B) Sodium silicate
D) Calcium silicate
Q.20.Zone refining is used for the purification of
Q.21.When a piece of quicklime is dipped in water, it gives bubbles. This bubbling is due to which of the following?
B) Carbon Dioxide
C) Water Vapour
Q.22.Who among the following is known to manufacture first Cyclotron?
A) Ernest Lawrence
B) Niels Bohr
D) Max Born
Q.23Which one is an organic Acid?
Q.24.Mustard gas which is a cytotoxic, vesicant chemical warfare agent with the ability to form large blisters on exposed skin contains which of the following elements?
Q.25.Calamine lotion which is used as an antipruritic (anti-itching agent) to treat mild pruritic conditions contains which of the following?