General Science QUESTIONS AND ANSWERS

General Knowledge : General Science QUESTIONS AND ANSWERS :: part3 : 86 to 90

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

86.A mixture of salt and sand can be separated by

Sublimation

Dissolving in water

Gravity separation

Dry distilation

87.PVC is obtained by the polymerisation of

Propene

Vinyl chloride

Styrene

Acetylene

88.Which of the following is the combination of the three primary colours used in a colour TV ?

Green, Blue, Red

Red, Green, Yellow

Green, Yellow, Blue

Yellow, Blue, Red

89.Vulcanisation is

science of studying volcanoes

method to degrade polymeres

process connected with the making of voltaic cells

process of hardening of rubber by heating it with sulphur

90.The organ which destroys worn out RBCs in the body of a vertebrate is

pancreas

liver

bone narrow

spleen

More General Science QUESTIONS AND ANSWERS available in next pages

Health is the greatest gift, contentment is the greatest wealth -Buddha

Too many of us are not living our dreams because we are living our fears.- Les Brown

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