Practice Chemistry gk quiz - general science mcq Online Quiz (set-1) For All Competitive Exams
Q-1) Heavy water has molecular weight
(a)
(b)
(c)
(d)
Q-2) The important metal used with iron to make it rust free
(a)
(b)
(c)
(d)
Q-3) Which one of the following metals does not form amalgam?
(a)
(b)
(c)
(d)
Q-4) Which metal exists as a common component in Brass, Bronze and German Silver?
(a)
(b)
(c)
(d)
Q-5) Which of these consists carbon?
(a)
(b)
(c)
(d)
Q-6) Which gas is known as ‘noble gas’?
(a)
(b)
(c)
(d)
Q-7) According to weight, the percentage of hydrogen in water ($H_2O$), is
(a)
(b)
(c)
(d)
Q-8) Bronze is an alloy of copper and
(a)
(b)
(c)
(d)
Q-9) The chemical formula of Heavy Water is
(a)
(b)
(c)
(d)
Q-10) Which one of the following fuels causes minimum air pollution?
(a)
(b)
(c)
(d)
Q-11) In the case of rusting, the weight of iron
(a)
(b)
(c)
(d)
Q-12) Which of the following alloys has a maximum percentage of Copper?
(a)
(b)
(c)
(d)
Q-13) What is the shape of sulphur hexafluoride molecule?
(a)
(b)
(c)
(d)
Q-14) Which one of the following nonmetals is not a poor conductor of electricity?
(a)
(b)
(c)
(d)
Q-15) Which one of the following types of coal contains a higher percentage of Carbon than the rest type of ?
(a)
(b)
(c)
(d)
Q-16) The process used for transforming salty water into pure water is called
(a)
(b)
(c)
(d)
Q-17) Who among the following discovered heavy water?
(a)
(b)
(c)
(d)
Q-18) Which is the purest form of water?
(a)
(b)
(c)
(d)
Q-19) Bronze is an alloy of
(a)
(b)
(c)
(d)
Q-20) By which process the sea water can be converted into pure water?
(a)
(b)
(c)
(d)