Daily Quiz 26 General Science Chemistry for Railway ALP/Group D Exam 2018
General Science Physics,Chemistry & Biology MCQ and Answers for Railway ALP & Group D Exams. These quiz objective questions are helpful for competitive exams SSC, UPSC, IAS, IPS, CDS, NDA, Railways or RRB etc
1. Cloud is a colloidal dispersion of
(a) Air in a dispersion medium of water
(b) Fog in a dispersion medium of water
(c) Mist in a dispersion medium of air
(d) Water drops in a dispersion medium of air
2. Which of the following is the petroleum wax ?
(a) Bees wax
(b) Camaubawax
(c) Paraffin wax
(d) Jojoba wax
3. Which variety of coal contains recognizable traces of
the original plant material ?
(a) Anthracite
(b) Lignite
(c) Peat
(d) Bitumen
4. Which is the purest form of iron ?
(a) Steel
(b) Cast iron
(c) Pig iron
(d) Wrought iron
5. Which of the following metals form an amalgam with
other metals ?
(a) Lead
(b) Tin
(c) Zinc
(d) Mercury
6. Detergents used for cleaning clothes and utensils
contain
(a) nitrates
(b) bicarbonates
(c) sulphonates
(d) bismuthates
7. Radioactive disintegration of uranium ultimately
results in formation of
(a) radium
(b) thorium
(c) polonium
(d) lead
8. Which of the following is used in making smoke
bombs?
(a) Sulphur
(b) Phosphorus
(c) Hydrogen
(d) Carbon
9. German silver is an alloy of
(a) copper nickel and silver
(b) silver copper and aluminium
(c) zinc copper and nickel
(d) zinc silver and copper
10.A metal is exposed to the atmosphere for sometime It
becomes coated with green carbonate. The metal
must be
(a) silver
(b) copper
(c) aluminium
(d) zinc
Answer
1 d 2 c 3 c 4 d 5 d 6 c 7 d 8 d 9 c 10 b