NEET MCQ for Chemistry 11
Q.1.The ideal gas equation for 1 mole of gas is
A) PV =RT
B) PV = nRT
Q.2.Which of the following metals is present in the anode mud during the electrolytic refining of Copper;
Q.3.All noble gas molecules are
D) Both a and b
Q.4.In the process of burning of magnesium in air, magnesium undergoes
D) All of these
Q.5.Addition of an electropositive atom is
A) An oxidation reaction
B) An reduction Reaction
C) An addition reaction
D) A combustion reaction
Q.6.The group having isoelectronic species is
A) O2-, F-, Na+, Mg2
B) O-, F-,Na,Mg+
C) O-, F-, Na+,Mg2+
D) 00-, F-, Na, Mg2+
Q.7.In the Hofmann bromamide degradation reaction, the number of moles of NaOH and Br2 used per mole of a mine produced are
A) Four moles of NaOH and one mole of Br.
B) One mole of NaOH and one mole of Br
C) Four moles of NaOH and two moles of Br2
D) Two moles of NaOH and two moles of Brg
Q.8.Which one of the following statements about water is FALSE?
A) Ice formed by heavy water sinks in normal water.
B) Water is oxidized to oxygen during photosynthesis.
C) Water can act both as both as an acid and as a base
D) There is extensive intramolecular hydrogen bonding in the condensed phase
Q.9.The formula for quicklime is
C) Ca (OH)2
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 law which states that the amount of gas dissolved in a liquid is proportional to its partial pressure is
A) Dalton’s law
B) Gay Lussac’s law
C) Henry’s law
D) Raoult’s law
Q.12.The carbonate ores are changed into oxides by heating strongly in limited air. This process is known as â€
Q.13.The oil used in the froth floatation process is
A) Coconut oil
B) Olive oil
C) Kerosene oil
D) Pine oil
Q.14.The maximum number of isomers for an alkene with molecular formula C4H8 is
Q.15.Two Faraday of electricity is passed through a solution of CuSO4. The mass of copper deposited at the cathode is: (at. Mass of Cu = 63.5 amu)
Q.16.The vapour pressure of acetone at 20°C is 185 torr. When 1.2 g of a non-volatile substance was dissolved in 100 g of acetone at 20°C, its vapour pressure was 183 torr. The molar mass (g mol-1) of the substance is
Q.17.The ratio of masses of oxygen and nitrogen in a particular gaseous mixture is 1:4. The ratio of number of their molecule is
A) 1: 8
Q.18.Reserpine is an example of which kind of drug?
Q.19.Which of the following is used to freeze food?
B) Liquid Hydrogen
C) Liquid Nitrogen
Q.20.Which one of the following gas is readily soluble in water at room temperature?
D) Carbon dioxide
Q.21.The atoms in a molecule are joined together by_____.
A) Covalent bond
B) Ionic bond
C) Single bond
D) Double bond
Q.22.Elements that show the properties of both metals and non-metals are called?
Q.23.The main use of salt in the diet is to
A) Make the taste of food better
B) Produce in small amounts the hydrochloric acid required for the digestion of food
C) Ease the process of cooking
D) Increase the solubility of food particles in water
Q.24.The single acid which dissolves gold is?
A) Aqua regia
B) Hydrochloric acid
C) Nitric acid
D) Selenic acid
Q.25.The ejection of electrons when a metal surface is irradiated is known as
A) Black body radiation
B) Photoelectric effect
C) Zeeman effect
D) Atomic spectrum