30. Which is known as the ‘metal of future’?
(a) Uranium
(b) Platinum
(c) Tantallium
(d) Titanium
31. Galvanization is the process of coating of…..on other metals.
(a) Copper
(b) Silver
(c) Gallium
(d) Zinc
32. What is known as the ‘king of poisons’?
(a) Cyanide
(b) Zinc phosphate
(c) MIC
(d) Zinc
33. What is used in fire works for red flame?
(a) Barium
(b) Strontium
(c) Zirconium
(d) Sodium
34. The first element that was produced artificially.
(a) Technetium
(b) Polonium
(c) Fermium
(d) Americium
35. Chemical used for artificial rain:
(a) Silver iodide
(b) Zirconium silicate
(c) Selenium disulphide
(d) Cadmium
36. The rarest metal.
(a) Astatin
(b) Radon
(c) Radium
(d) Rhodium
37. Which is incorrect?
(a) Magnesium-philosophers wool
(b) Zinc phosphide-rat poison
(c) Iodine solution-starch test
(d) Caesium-atomic clock
38. The bests conductor of heat and electricity.
(a) Copper
(b) Iron
(c) Silver
(d) Gold
39. The most electro positive stable element.
(a) Fluorine
(b) Barium
(c) Caesium
(d) Hydrogen
40. Barium imparts……colour to flames.
(a) Red
(b) Yellow
(c) Green
(d) Blue
41. Which symbol is incorrect?
(a) Tungsten-W
(b) Gold-Au
(c) Silver-S
(d) Antimony-Sb
42. What is known as ‘little silver’?
(a) Mercury
(b) Aluminium
(c) Uranium
(d) Platinum
43. What is used as an X-ray radio contrast agent?
(a) Barium
(b) Iodine
(c) Cadmium
(d) Arsenic
44. Semi conductor used for making integrated circuits.
(a) Copper
(b) Arsenic
(c) Germanium
(d) Aluminium
45. Which is not correct?
(a) Calcium-20
(b) Gold-79
(c) Oxygen-8
(d) Uranium-90
46. Number of hydrogen atoms in a water molecule.
(a) 1
(b) 2
(c) 3
(d) 4
47. The only substance exists in nature in three forms-solid,liquid,gas.
(a) Water
(b) Coal
(c) Dry ice
(d) Urea
48. Atomic number of carbon.
(a) 2
(b) 6
(c) 3
(d) 5
49. Which is known as ‘universal solvent’?
(a) Blood
(b) Water
(c) Kerosene
(d) Petrol
50. The total number of natural elements.
(a) 82
(b) 92
(c) 100
(d) 102
51. The poisonous gas emitted from the engines of two wheeler.
(a) Phosgene
(b) Chlorine
(c) Carbon monoxide
(d) Methyl iso cyanate
52. Gas filled in the tyres of aeroplanes.
(a) Hydrogen
(b) Helium
(c) Oxygen
(d) Nitrogen
53. The pH value of water.
(a) 0
(b) 7
(c) 1
(d) 14
54. Element which is used in torch cell.
(a) Lead
(b) Zinc
(c) Nickel
(d) Tin
55. Non metal element present in liquid state.
(a) Bromine
(b) Mercury
(c) Agon
(d) None of these
56. Purest form of water.
(a) River water
(b) Sea water
(c) Pond water
(d) Rain water
57. Water has minimum density at degree celcius
(a) 0
(b) 4
(c) 1
(d) 10
58. The most abundant salt in sea water.
(a) Sodium chloride
(b) Magnesium chloride
(c) Potassium chloride
(d) None of these
59. Colour of hydrogen gas.
(a) Yellow
(b) Blue
(c) Green
(d) Colourless
60. Water is known as……
(a) White gold
(b) Blue gold
(c) Black gold
(d) Green gold
61. Which is known as chemical sun?
(a) Magnesium
(b) Francium
(c) Gallium
(d) Iridium
62. Which is known as ‘yellow cake’?
(a) Titanium dioxide
(b) Lead trioxide
(c) Uranium oxide
(d) None of these
63. Element formed during hydrogen bomb explosion.
(a) Hydrogen
(b) Helium
(c) Nitrogen
(d) Carbon
64. Which symbol is incorrect?
(a) Hydrogen-H
(b) Potassium-P
(c) Sodium-Na
(d) Aluminium-Al
65. Ozone is a/an…
(a) Compound
(b) Element
(c) Atom
(d) None of these
66. Nucleon is …..
(a) Nucleus
(b) Neutron+Electron
(c) Neutron+Proton
(d) Proton
67. Element present in DNA and RNA.
(a) Sulphur
(b) Iron
(c) Calcium
(d) Phosphorus
68. Element present in all explosives.
(a) Hydrogen
(b) Nitrogen
(c) Oxygen
(d) Helium
69. Ithai-ithai disease is caused by
(a) Strontium
(b) Arsenic
(c) Mercury
(d) Cadmium
70. Which element has the name with the meaning ‘stranger’?
(a) Krypton
(b) Xenon
(c) Argon
(d) Selenium
71. Sweetest natural sugar.
(a) Glucose
(b) Galactose
(c) Fructose
(d) Sucrose
72. Colour of chlorine vapor lamp.
(a) Green
(b) Red
(c) White
(d) Blue
73. Polymer of glucose
(a) Cellulose
(b) Glycogen
(c) Starch
(d) All of these
74. The chemical that causes acid rain:
(a) Sulphurdioxide
(b) Silver iodide
(c) Silver bromide
(d) Ozone
75. Phenol is also known as..
(a) Carbolic acid
(b) Carbonic acid
(c) Ethanoic acid
(d) Sulphuric acid
(a) Uranium
(b) Platinum
(c) Tantallium
(d) Titanium
31. Galvanization is the process of coating of…..on other metals.
(a) Copper
(b) Silver
(c) Gallium
(d) Zinc
32. What is known as the ‘king of poisons’?
(a) Cyanide
(b) Zinc phosphate
(c) MIC
(d) Zinc
33. What is used in fire works for red flame?
(a) Barium
(b) Strontium
(c) Zirconium
(d) Sodium
34. The first element that was produced artificially.
(a) Technetium
(b) Polonium
(c) Fermium
(d) Americium
35. Chemical used for artificial rain:
(a) Silver iodide
(b) Zirconium silicate
(c) Selenium disulphide
(d) Cadmium
36. The rarest metal.
(a) Astatin
(b) Radon
(c) Radium
(d) Rhodium
37. Which is incorrect?
(a) Magnesium-philosophers wool
(b) Zinc phosphide-rat poison
(c) Iodine solution-starch test
(d) Caesium-atomic clock
38. The bests conductor of heat and electricity.
(a) Copper
(b) Iron
(c) Silver
(d) Gold
39. The most electro positive stable element.
(a) Fluorine
(b) Barium
(c) Caesium
(d) Hydrogen
40. Barium imparts……colour to flames.
(a) Red
(b) Yellow
(c) Green
(d) Blue
41. Which symbol is incorrect?
(a) Tungsten-W
(b) Gold-Au
(c) Silver-S
(d) Antimony-Sb
42. What is known as ‘little silver’?
(a) Mercury
(b) Aluminium
(c) Uranium
(d) Platinum
43. What is used as an X-ray radio contrast agent?
(a) Barium
(b) Iodine
(c) Cadmium
(d) Arsenic
44. Semi conductor used for making integrated circuits.
(a) Copper
(b) Arsenic
(c) Germanium
(d) Aluminium
45. Which is not correct?
(a) Calcium-20
(b) Gold-79
(c) Oxygen-8
(d) Uranium-90
46. Number of hydrogen atoms in a water molecule.
(a) 1
(b) 2
(c) 3
(d) 4
47. The only substance exists in nature in three forms-solid,liquid,gas.
(a) Water
(b) Coal
(c) Dry ice
(d) Urea
48. Atomic number of carbon.
(a) 2
(b) 6
(c) 3
(d) 5
49. Which is known as ‘universal solvent’?
(a) Blood
(b) Water
(c) Kerosene
(d) Petrol
50. The total number of natural elements.
(a) 82
(b) 92
(c) 100
(d) 102
51. The poisonous gas emitted from the engines of two wheeler.
(a) Phosgene
(b) Chlorine
(c) Carbon monoxide
(d) Methyl iso cyanate
52. Gas filled in the tyres of aeroplanes.
(a) Hydrogen
(b) Helium
(c) Oxygen
(d) Nitrogen
53. The pH value of water.
(a) 0
(b) 7
(c) 1
(d) 14
54. Element which is used in torch cell.
(a) Lead
(b) Zinc
(c) Nickel
(d) Tin
55. Non metal element present in liquid state.
(a) Bromine
(b) Mercury
(c) Agon
(d) None of these
56. Purest form of water.
(a) River water
(b) Sea water
(c) Pond water
(d) Rain water
57. Water has minimum density at degree celcius
(a) 0
(b) 4
(c) 1
(d) 10
58. The most abundant salt in sea water.
(a) Sodium chloride
(b) Magnesium chloride
(c) Potassium chloride
(d) None of these
59. Colour of hydrogen gas.
(a) Yellow
(b) Blue
(c) Green
(d) Colourless
60. Water is known as……
(a) White gold
(b) Blue gold
(c) Black gold
(d) Green gold
61. Which is known as chemical sun?
(a) Magnesium
(b) Francium
(c) Gallium
(d) Iridium
62. Which is known as ‘yellow cake’?
(a) Titanium dioxide
(b) Lead trioxide
(c) Uranium oxide
(d) None of these
63. Element formed during hydrogen bomb explosion.
(a) Hydrogen
(b) Helium
(c) Nitrogen
(d) Carbon
64. Which symbol is incorrect?
(a) Hydrogen-H
(b) Potassium-P
(c) Sodium-Na
(d) Aluminium-Al
65. Ozone is a/an…
(a) Compound
(b) Element
(c) Atom
(d) None of these
66. Nucleon is …..
(a) Nucleus
(b) Neutron+Electron
(c) Neutron+Proton
(d) Proton
67. Element present in DNA and RNA.
(a) Sulphur
(b) Iron
(c) Calcium
(d) Phosphorus
68. Element present in all explosives.
(a) Hydrogen
(b) Nitrogen
(c) Oxygen
(d) Helium
69. Ithai-ithai disease is caused by
(a) Strontium
(b) Arsenic
(c) Mercury
(d) Cadmium
70. Which element has the name with the meaning ‘stranger’?
(a) Krypton
(b) Xenon
(c) Argon
(d) Selenium
71. Sweetest natural sugar.
(a) Glucose
(b) Galactose
(c) Fructose
(d) Sucrose
72. Colour of chlorine vapor lamp.
(a) Green
(b) Red
(c) White
(d) Blue
73. Polymer of glucose
(a) Cellulose
(b) Glycogen
(c) Starch
(d) All of these
74. The chemical that causes acid rain:
(a) Sulphurdioxide
(b) Silver iodide
(c) Silver bromide
(d) Ozone
75. Phenol is also known as..
(a) Carbolic acid
(b) Carbonic acid
(c) Ethanoic acid
(d) Sulphuric acid
No comments:
Post a Comment