Daily Quiz 20 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.Which of the following is a natural dye ?
(a) Crystal violet
(b) Aniline blue
(c) Alizarin
(d) Phenolphthalein
2.The ratio of pure gold in 18 carat gold is
(a) 60%
(b) 75%
(c) 80%
(d) 90%
3.Diamond is harder than graphite because of
(a) difference in layers of atoms
(b) tetrahedral structure of diamond
(c) difference of crystalline structures
(d) None of these
4.Gobar gas contains mainly:
(a) methane
(b) ethylene
(c) propylene
(d) acetylene
5.Which of the following elements is non radioactive ?
(a) Uranium
(b) Thorium
(c) Plutonium
(d) Zirconium
6.The gas used for artificial fruit ripening of green fruit
is
(a) Ethylene
(b) Acetylene
(c) Ethane
(d) Methane
7.What is the element required for solar energy
conversion ?
(a) Beryllium
(b) Tantalum
(c) Silicon
(d) Ultra pure carbon
8.Which of the following type of coal has the lowest
proportion of volatile matter ?
(a) Lignite
(b) Peat
(c) Bituminous
(d) Anthracite
9.What is the chemical name for Baking Soda?
(a) Sodium carbonate
(b) Sodium bicarbonate
(c) Sodium nitrite
(d) Sodium nitrate
10.Saccharin is made up of
(a) Toluene
(b) Phenol
(c) Propane
(d) Butane
Answer
1 c 2 b 3 a 4 a 5 d 6 a 7 c 8 d 9 b 10 a