(A) 1% CaCl2 in water
(B) 1% Sucrose in water
(C) 1% NaCl in Water
(D) None of the above
Tag: Chemistry mcqs
Sea water is converted into fresh water by using?
(A) Diffusion
(B) Reverse osmosis
(C) Plasmolysis
(D) None of the above
In the periodic table elements have been arranged?
(A) In order of density
(B) In order of atomic weights
(C) In order of increasing atomic number
(D) None of the above
Which group of compounds constitute carbohydrates?
(A) Starch and Sugar
(B) Fats and Sugar
(C) Fats, Sugar and Proteins
(D) None of the above
Oxidation involves?
(A) Loss of electrons
(B) Combustion
(C) Gain of Hydrogen
(D) Gain of electrons
X-rays are produced when a stream of electrons in x-ray tube?
(A) Pass through a strong magnetic field
(B) Strikes metal target
(C) Hits the glass wall to the tube
(D) None of the above
Stains of rust from iron on cloth can be removed by?
(A) Oxalic acid
(B) Petrol
(C) Alcohol
(D) Hydrogen peroxide
Iron articles rust because of the formation of?
(A) Sodium carbonate
(B) Ferric Chloride
(C) Ferrous chloride
(D) A mixture of ferrous and ferric hydroxide