General Knowledge Questions And Answers :: General Science: part18



General Knowledge : General Science QUESTIONS AND ANSWERS :: part18 : 6 to 10

Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :

6.Oxidation involves :

gains in electrons
gain of hydrogen
loss of electrons
combustion

7.Red, yellow and blue are known as

primary colours
complementary colours
primary pigments
secondary colours

8.Which of the following is used as a lubricant ?

Graphite
Silica
Diamond
Iron oxide

9.What is the main constituent of natural gas ?

Methane
Ethane
Butane
Hydrogen

10.Rusting of iron is an example of :

rapid oxidation
spontaneous combustion
slow oxidation
reduction

More General Science QUESTIONS AND ANSWERS available in next pages

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