General Science and Technology Quiz

Q121. What is the chemical symbol of Gold
(a) Au
(b) Ag
(c) C
(d) Gd

Q122. In the Periodic Table, how many elements are found naturally
(a) 74
(b) 87
(c) 98
(d) 102

Q123. Total number of elements currently in the Periodic Table
(a) 98
(b) 112
(c) 118
(d) 122

Q124. When the Periodic Table was first published by Dmitri Mendeleev
(a) 1869
(b) 1872
(c) 1890
(d) 1902

Q125. Pure water has a ph level of around
(a) 5
(b) 7
(c) 8
(d) 13

Q126. Which one is the first element of Periodic Table
(a) Carbon
(b) Nitrogen
(c) Hydrogen
(d) Iron

Q127. Aedes aegypti mosquito bite can caused
(a) Malaria
(b) Dengue
(c) Yellow Fever
(d) Filariasis

Q128. Sound cannot be reflected by
(a) Mercury
(b) Solid
(c) Liquid
(d) Vacuum

Q129. The outermost layer of Sun is called
(a) Photosphere
(b) Chromosphere
(c) Corona
(d) Granule

Q130. What is the speed of light
(a) 279 398 876 m/s
(b) 299 792 458 m/s
(c) 133 665 326 m/s
(d) 279 133 992 m/s

Q131. What is the speed of sound
(a) 210.48 m/s
(b) 321 m/s
(c) 340.29 m/s
(d) 389.12 m/s

Q132. Which of the following is used in pencils
(a) Silicon
(b) Graphite
(c) Phosphorous
(d) None of the above

Q133. Which gas is usually filled in the electric bulb
(a) Hydrogen
(b) Oxygen
(c) Carbon Dioxide
(d) Nitrogen

Q134. Which gas is used to dissolved under pressure in soda water
(a) Hydrogen
(b) Oxygen
(c) Carbon Dioxide
(d) Nitrogen

Q135. Which one of the following gas is not found in LPG cylinder
(a) Argon
(b) Methane
(c) Butane
(d) Propane

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