WOMEN SUB INSPECTOR OF POLICE / WOMEN POLICE CONSTABLE EXAM SELECTED QUESTIONS AND ANSWERS 2016
PSC PREVIOUS GENERAL SCIENCE QUESTIONS AND ANSWERS-
CHEMISTRY
(a) Carbon Dioxide & Water
(b) Carbon Monoxide & Hydrogen
(c) Carbon Dioxide & Hydrogen
(d) Carbon Monoxide & Nitrogen
3. The metal present in Chlorophyll is
(a) Zinc
(b) Iron
(c) Magnesium
(d) Manganese
4. The acid which is called “Aqua Fortis” is
(a) Sulphuric Acid
(b) Phosphoric Acid
(c) Carbonic Acid
(d)Nitric Acid
5. The compound which is known as Inorganic Benzene is
(a) Borazole
(b) Diborane
(c) Borax
(d) Boron Carbide
6. The metal used in high temperature thermometry is
(a) Mercury
(b) Galium
(c) Germanium
(d) Copper
7. An antiknock agent among the following is
(a) Tetrahydrofuran
(b) DDT
(c) Tetra ethyl lead
(d) TNT
8. Which of the following is known as the Universal solvent?
(a) Water
(b) Benzene
(c) Sulphuric Acid
(d) Nitric Acid
9. Cinnabar is the ore of
(a) Lead
(b) Zinc
(c) Copper
(d) Mercury
10. Contact Process and Lead Chamber Process are used in
the manufacture of
(a) Nitric Acid
(b) Ammonia
(c) Sulphuric Acid
(d) Sodium Carbonate
11. Chlorine gas can be prepared by
(a) Bosch Process
(b) Haber Process
(c) Ostwald Process
(d) Deacon’s Process
12. The isotope of hydrogen that does not contain any neutrons
in its nucleus is
(a) Protium
(b) Deuterium
(c) Tritium
(d) Both (b) & (c)
13. The nonmetal which exists as liquid in room temperature is
(a) Iodine
(b) Bromine
(c) Flourine
(d) Mercury
14. Lord Rayleigh and Sir William Ramsay were awarded
Nobel Prizes in 1904 for their discovery of
(a) Radioactivity
(b) Super conductivity
(c) Noble gases
(d) Transuranic elements
15. Baeyers’s reagent is
(a) Dilute alkaline solution of KMnO4
(b) Alkaline Solution of K2(HgI4)
(c) Copper Sulphate Solution
(d) Solution of Mercuric and Mercurous Nitrate
16. Brass is an alloy of
(a) Aluminium & Zinc
(b) Copper & Aluminium
(c) Nickel & Zinc
(d) Copper & Zinc
