Daily Quiz 29 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 pairs of materials serves as
electrodes in chargeable batteries commonly used in
devices such as torch lights electric shavers etc.?
(a) Iron and cadmium
(b) Nickel and cadmium
(c) Lead peroxide and lead
(d) Zinc and carbon
2. Which of the following is a super cooled liquid ?
(a) Ice Cream
(b) Teflon
(c) Glass
(d) Mercury
3. Metal are good conductors because
(a) they contain free electrons
(b) the molecules in them are very close to each other
(c) the molecules in them collide Very freely
(d) they contain reflecting surface
4. The first metal used by a man was
(a) Copper
(b) Silver
(c) Bronze
(d) Brass
5. Which of the following is used to remove rust stains
on cloth?
(a) Kerosene
(b) Lime
(c) Oxalic acid solution
(d) Petrol
6. Curd is sour due to presence of
(a) Tartaric acid
(b) Lactic acid
(c) Acetic acid
(d) Oxalic acid
7. Tear gas is
(a) Chloroprene
(b) Carbonyl chloride
(c) Nitrous oxide
(d) Bleaching powder
8. Which of the following compounds is commonly used
as an antiseptic in mouthwashes and toothpastes?
(a) Borax
(b) Saltpetre
(c) Hydrogen peroxide
(d) Sodium chloride
9. Which one of the following is used to restore the
colour of old oil paintings?
(a) Ozone
(b) Hydrogen peroxide
(c) Barium peroxide
(d) Sodium peroxide
10. Milk is a natural
(a) Solution
(b) Emulsion
(c) Mixture
(d) Suspension
Answer
1 b 2 c 3 a 4 a 5 c 6 b 7 b 8 d 9 b 10 b
