IMPORTANT GENERAL SCIENCE QUESTIONS FOR GOVERNMENT EXAMS

1) Which among the following was first human-made plastic?
A) Bakelite
B) Polyethene
C) Celluloid
D) Nylon

Ans: Celluloid

2) The variety of coal in which the deposit contains recognisable traces of the original plant material is
A) Bitumen
B) Anthracite
C) Lignite
D) Peat

Ans: Peat

3) "Svedberg Unit” is a unit of _________?
A) Concentration
B) Size
C) Density
D) Time

Ans: Time

4) The Potassium graphite and Calcium Graphite can be mostly used as which among the following?
A) Moderators
B) Semiconductors
C) Superconductors
D) Lubricants

Ans: Superconductors

5) The minimum temperature at which a combustible substance catches fire is called:
A) fireless temperature
B) ignition temperature
C) static temper
D) optimum temperature

Ans: ignition temperature

6) The father of medicine is
A) Hippocrates
  B) R.H. Whittakar
  C) Carolus Linnaeus
  D) Anton Van Leeuwenhoek

Ans: Hippocrates

7) Carbon, diamond and graphite are together called
A) Allotropes
B) Isomers
C) Isomorphs
D) Isotopes

Ans: Allotropes

8) Which among the following is the most important characteristic of Noble metals?
A) Luster
B) Non reactive nature
C) Preciousness
D) Rare availabil

Ans: Non reactive nature

9) Which among the following is most electronegative element?
A) Chlorine
B) Flourine
C) Bromine
D) All of them have same electronegativity

Ans: Flourine 

10) King of chemicals is ...................
A) Sulphuric acid
  B) Nitric acid
  C) Hydrochloric acid
  D) Lactic acid

Ans: Sulphuric acid

11) Whenever an alkali metal such as Lithium or Sodium reacts with water , which among the following gas is produced?
A) Oxygen
B) Hydrogen
C) Ozone
D) Carbondioxide

Ans: Hydrogen

12) Which among the following is a common salt in Detergents?
A) Sulphate
B) Nitrate
C) Sulphonate
D) Carbonate

Ans: Sulphate

13) Which among the following metal is highest electrical conductivity as well as highest thermal conductivity?
A) Gold
B) Silver
C) Platinum
D) Iron

Ans: Silver 

14) Calamine is an ore of which among the following?
A) Zinc
B) Copper
C) Mercury
D) Iron

Ans: Zinc

15) Lime water also known as ...................
A) Calcium hydroxide
  B) Ammonium hydroxide
  C) Sodium hydroxide
  D) Magnesium hydroxide

Ans: Calcium hydroxide

16) Milk of magnesia known as .....................
  A) Calcium hydroxide
  B) Ammonium hydroxide
  C) Sodium hydroxide
D) Magnesium hydroxide

Ans: Magnesium hydroxide

17) The popular drug “Acetylsalicylic Acid” is commonly known by which among the following names?
A) Paracetamol
B) Aspirin
C) Salsalate
D) Wintergree

Ans: Aspirin 

18) “Oil of mirbane” is the most common name of which among the following?
A) Phenol
B) Toluene
C) Phenolphthalein
D) Nitrobenzene

Ans:  Nitrobenzene

19) What is the common name of analgesic and antipyretic drug acetylsalicylic acid?
A) Paracetamol
B) Aspirin
C) Wintergreen
D) Trazodone

Ans: Aspirin

20) The volume of water stored in a dam or reservoir is expressed in
  A) Litres
  B) Milli litres
C) Thousand million cubic
  D) Metres

Ans: Thousand million cubic