Daily Quiz 35 General Science Chemistry for Railway ALP/Group D Exam 2018
General Science Physics,Chemistry & Biology MCQ and Answers for Railway ALP & Group D Exams 2018. These quiz objective questions are helpful for competitive exams SSC, UPSC, IAS, IPS, CDS, NDA, Railways or RRB etc
1. Iodized salt is beneficial for
(a) lowering of blood pressure
(b) prevention of dehydration
(c) thyroid function
(d) salivary glands
2. The acid rain destroys vegetations because it contains
(a) nitric acid
(b) ozone
(c) carbon monoxide
(d) sulphuric acid
3. Diamonds are glittering and attractive because light
Incident on them undergoes
(a) highest refraction
(b) multiple internal reflections
(c) multiple surface reflections
(d) hundred percent transmission
4. The substance most commonly used as a food
preservative is
(a) sodium carbonate
(b) tartaric acid
(c) acetic acid
(d) sodium salt of benzoic acid
5. Catalyst is a substance which
(a) increases the rate of the reaction
(b) decreases the rate of reaction
(c) has no action on the rate of the reaction
(d) None of these
6. Which of the following gases is most toxic?
(a) Carbon dioxide
(b) Carbon monoxide
(c) Sulphur dioxide
(d) Chlorine
7. Sour milk contains
(a) acetic acid
(b) tartaric acid
(c) citric acid
(d) lactic acid
8. The acid used in lead storage cells is
(a) phosphoric acid
(b) hydrochloric acid
(c) nitric acid
(d) sulphuric acid
9. Alum stops bleeding in minor cuts because of
(a) salvation
(b) emulsion
(c) dialysis
(d) coagulation
10. Plaster of Paris is made by partial dehydration of
(a) Epsom salt
(b) gypsum salt
(c) blue vitriol
(d) green vitriol
Answer
1 c 2 d 3 b 4 d 5 d 6 b 7 d 8 d 9 d 10 b
