The splitting up of spectral lines under the influence of magnetic field is known as
(a) Stark effect
(b) Photoelectric effect
(c) Zeeman effect
(d) Electromagnetic effect
Chemistry MCQs
Which of the following is used to remove rust stains on cloth?
(a) Kerosene
(b) Lime
(c) oxalic acid solution
(d) Petrol
Lactic acid is present in?
(a) Vinegar
(b) Grapes
(c) Sour milk
(d) Lemon juice
Which product is obtained in the manufacture of soap from oils?
(a) Sodium chloride
(b) Sodium hydroxide
(c) Fats
(d) Glycerine
Red phosphorous does not react with?
(a) Zinc
(b) Chlorine
(c) Alkali
(d) Nitric acid
The boiling point of water on the Kelvin scale
(a) 270°K
(b) 373°K
(c) 100°K
(d) 212°K
When the pH of a solution is zero, then it is
(a) Basic
(b) Water
(c) Neutral
(d) Strongly acidic
Bleaching powder is prepared by passing chlorine through?
(a) Limestone
(b) Quicklime
(c) Milk of lime
(d) Dry slaked lime
One of the gases polluting air is
(a) Sulphur dioxide
(b) Nitrogen
(c) Oxygen
(d) Hydrogen
The metal that occurs in free state is?
(a) Iron
(b) Aluminium
(c) Sodium
(d) Gold