Practice Chemistry gk - general science mcq Online Quiz (set-1) For All Competitive Exams
Q-1) Of how many carats is the pure gold?
(a)
(b)
(c)
(d)
Q-2) Cinnabar is an ore of
(a)
(b)
(c)
(d)
Cinnabar (HgS) is a sulphide ore of mercury
Q-3) Alumina is chief ore of which of the following metal?
(a)
(b)
(c)
(d)
Q-4) Yellow colour of usual nitric acid is due to the presence of which one of the following?
(a)
(b)
(c)
(d)
Q-5) These days yellow lamps are frequently used as street light. Which one of the following is used in these lamps?
(a)
(b)
(c)
(d)
Q-6) Which of the following reacts with cold water vigorously?
(a)
(b)
(c)
(d)
Q-7) Heaviest metal of the following is made of
(a)
(b)
(c)
(d)
Q-8) Which of the following is not a atomic characteristics of metal –
(a)
(b)
(c)
(d)
All are characteristics of metal.
Q-9) Which of the following is the electron configuration of a metallic element?
(a)
(b)
(c)
(d)
Q-10) Which of the following is mainly used for the production of Aluminium?
(a)
(b)
(c)
(d)
Q-11) The most abundant metal in the earth’s crust is -
(a)
(b)
(c)
(d)
Q-12) Pure gold is –
(a)
(b)
(c)
(d)
Q-13) Bauxite is the ore of
(a)
(b)
(c)
(d)
Q-14) What is the colour of oxygen in solid state ?
(a)
(b)
(c)
(d)
Q-15) Metals are
(a)
(b)
(c)
(d)
Metals are both melleable and ductile.
Metals can be drawn into thin sheets and wires.
Q-16) Which of the following is not a nitrogenous fertilizer?
(a)
(b)
(c)
(d)
Q-17) Pearl is mainly constituted of
(a)
(b)
(c)
(d)
Q-18) Formula of magnetite is
(a)
(b)
(c)
(d)
Q-19) Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same?
- Good thermal conductivity
- Good electrical conductivity
- Ductility
- High melting point
(a)
(b)
(c)
(d)
Q-20) Chemically rust is
(a)
(b)
(c)
(d)
As the chemical formula of rust is Fe2O3 . xH2O