1. An aqueous solution of Sodium Acetate will be of which among the following nature?
Correct : B. Basic
2. Aluminum is getting popular worldwide today as a ―Green Metal‖. Which among the following properties of Aluminum makes it a Green Metal?
Correct : C. Aluminum has fairly high rate of recycling and it can be re-used repeatedly without its quality deteriorating
3. Acetylene cannot be safely pressurized as a pure compound. Which among the following is used for safe storage and transportation of Acetylene?
Correct : B. Acetone
4. Above 70 °C, sodium bicarbonate has a property of gradually decomposing, which makes it usable in Bakery products. Which among the following end product of this Thermal decomposition of Sodium bicarbonate makes it usable for the above purpose?
Correct : B. Carbon Dioxide
5. Which among the following substances is being used most commonly for producing synthetic jet Fuel?
Correct : A. Coal
6. A baby diaper, if tested with various solutions, will absorb maximum amount of which among the following:
Correct : A. Distill Water
7. Now a days, a little pack of Silica Gel (granular beads of Silica made from Sodium Silicate) comes with many products to control humidity and avoid spoilage or degradation of some goods. Which among the following property of Silica gel makes it useful for that purpose?
Correct : B. Silica gel is a Hygroscopic substance with large surface area so its molecules absorb the moisture.
8. Which among the following is the correct almost equivalent to 1 MMBTU Natural Gas ?
Correct : A. 1.054615 gigajoule
9. 054615 gigajoule]
24. Consider the following statements:
1. The space between the valence and conduction bands is zero in Graphene
2. This property of Graphene makes it an excellent transistor of commercial viability
Which among the above statements is/ are correct?
Correct : A. Only 1
10. Pyrolusite, Braunite, Psilomelane and Rhodochrosite are the ores of which among the following:
1. Manganese
2. Aluminium
3. Copper
Choose the correct option:
Correct : A. Only 1
11. Consider the following statements:
1. Copernicium is at present highest-numbered element recognized by IUPAC
2. Copernicum has been synthesized in the lab by a nuclear reaction of Zinc and Lead Isotopes
Which among the above statements is / are correct?
Correct : C. Both 1 & 2 are correct
12. The first metal to be used by man was:
Correct : B. copper
13. For respiration in deep sea, divers use mixture of:
Correct : D. Oxygen, Helium & nitrogen
14. The minimum temperature at which a combustible substance catches fire is called:
Correct : B. ignition temperature
15. Consider the following statements regarding Graphene and Fullerene:
1. Graphene is 2 dimensional , Fullerene is generally 3 dimensional
2. Graphene is SP2 allotrope of Carbon, while Fullerene is SP3 allotrope of Carbon
3. Graphene does not dissolve in petrol but fullerenes dissolve
Which among the above statements is / are correct?
Correct : D. 1 & 3 are correct
16. Haber Process is used to produce which among the following?
Correct : B. Ammonia
17. If a Hydrogen atom is removed from a hydrocarbon of Benzene group, the remaining residue is called _________?
Correct : B. Aryl
18. Which among the following kinds of Chemical reactions cause the rocks turn red or
yellowish?
Correct : B. Oxidation
19. Which among the following is the unit of the scale used for measurement of the spicy heat of a chili pepper?
Correct : D. Scoville
20. Every kilogram of seawater has approximately how much dissolved salts?
Correct : D. 35 gms
21. Gypsum is added to Cement so that, _________?
Correct : B. setting of cement can be slowed
22. The color ―Carmine‖ is a shade of which among the following colors?
Correct : A. Red
23. Consider the following:
Copper
Zinc
Tin
Gun Metal is the alloy of which among the above?
Correct : D. 1, 2 & 3
24. Which among the following makes Chile saltpetre different from saltpetre?
Correct : B. Sodium
25. Which among the following is ―Fool‘s Gold‖ ?
Correct : B. Iron Sulfide
26. When a piece of quicklime is dipped in water, it gives bubbles. This bubbling is due to which of the following?
Correct : C. Water Vapour
27. Which among the following acid is used to ascertain, whether pure Ghee has been
adulterated with Vanaspati or Margarine?
Correct : C. Hydrochloric Acid
28. Mizoroki-Heck reaction is catalyzed by which of the following metals?
Correct : C. Palladium
29. Which among the following is used in preparing windows for X-Ray Tubes ?
Correct : B. Beryllium
30. Which among the following first increases than decreases in a Period of a periodic table?
Correct : C. Valency
31. Which among the following were not discovered by the time , Mendeleev published his
periodic table?
Correct : C. Noble Gases
32. Ekaboron was an element predicted by Mendeleev and he leaved a space for it in his Periodic Table. Later Ekaboron was identified with _____?
Correct : B. Scandium
33. Which among the following allotropes of Oxygen is found in 6 phases under various pressures and temperatures?
Correct : C. Octaoxygen
34. Buckeyballs are basically the allotropes of _________?
Correct : A. Carbon
35. What is the number of synthetic elements in periodic Table?
Correct : C. 24
36. Kimberley Process‖ is related to which among the following ?
Correct : B. Diamonds
37. Which among the following protein is responsible for maintenance of osmotic pressure?
Correct : D. albumin
38. Pearl is mainly made up of which among the following?
Correct : B. Calcium Carbonate
39. As we all know that, Gunpowder is a mixture of sulfur, charcoal, and potassium nitrate. Which among these components adds in speeding up the burning of the Gun Powder?
Correct : C. Only Sulphur
40. Normal‖ rainfall is slightly acidic (and a pH of 5.6 has been assigned which might be somewhere near 5 ) because of the presence of _______?
Correct : D. Carbonic Acid
41. Which among the following is not correctly matched?
Correct : D. White Gold- Gold and Silver
42. Bring out the incorrect usage
Correct : C. Methyl Alcohol – Beverage
43. What is Carbamide?
Correct : B. A Fertilizer
44. Which among the following is the main constituent of vegetable oil and animal fats?
Correct : B. Triglyceride
45. Which among the following can be used as a preservative in Tomato Juice?
Correct : C. Sodium benzoate
46. Which among the following gas has lowest auto-ignition temperature?
Correct : D. Carbon Di Sulphide
47. Which among the following is the most stable form of carbon under standard conditions?
Correct : B. Graphite
48. Which among the following statement is correct?
Correct : A. Both Melting point & Boiling Point of Heavy water are higher than normal water
49. Which among the following gives hissing sound when dissolved into H2O?
Correct : C. CaO
50. What is the number of naturally occurring Halogens in the periodic table?
Correct : C. 5
51. Which among the following is the lowest atomic number element without any stable isotopes?
Correct : A. Technetium
52. Which among the following is the main constituent of malleable metal alloy Pewter ?
Correct : C. Tin
53. How many parts are of other metals in a 17 carat Gold?
Correct : C. 7
54. Which among the following does not come under carbon Group of Periodic Table?
Correct : D. selenium
55. Which among the following is not correctly matched?
Correct : D. Arsenic : Stibium
56. The chemical oxygen demand COD test is commonly used to measure which of the
following?
Correct : A. amount of organic compounds in water
57. Which among the following is an organic mineral?
Correct : A. Amber
58. Liming is the application of calcium and magnesium rich materials to soil in various forms, including marl, chalk, limestone, or hydrated lime. What is the purpose of liming?
Correct : C. Both A & B
59. Who among the following established that genetic code of all organisms is spelled out in
three-letter words, each set of three nucleotides codes for a specific amino acid?
Correct : A. Hargobind Khorana
60. Which among the following is a main component of some alert tablets such as Alert, No Doz, Stay Awake & Vivarin?
Correct : B. Caffeine
61. Which among the following compound of barium is used as radio contrast agent for X-ray imaging and other diagnostic procedures and also commonly called as Barium Food?
Correct : B. Barium Sulphate
62. Which among the following is used as an antidote?
Correct : D. Activated Charcoal
63. Which among the following will undergo a chemical reaction depending on the pH of the
solution?
Correct : B. Zinc Oxide
64. Bring out the statement which is wrong:
Correct : D. All are correct
65. Which among the following basic atoms are must in an Alkaloid?
Correct : B. Nitrogen
66. F block elements in the periodic table which are commonly called Lanthanides have the
following atomic numbers:
Correct : B. 58-71
67. The volume of a gas at a given pressure and temperature is proportional to the number of atoms or molecules regardless of the nature of the gas. This concept is called as___?
Correct : A. Avogadro‘s law
68. Who among the following is known to manufacture first Cyclotron?
Correct : A. Ernest Lawrence
69. British Scientist JJ Thomson was awarded Nobel prize in Physics in 1906 for discovery of
which of the following particle?
Correct : A. Electron
70. Charles Goodyear is known for which of the following?
Correct : B. Vulcanization of Rubber
71. Which among the following gas is used in Balloons?
Correct : B. Helium
72. Which among the following is the most important characteristic of Noble metals?
Correct : B. Non reactive nature
73. What is the atomic number of Transuranic elements?
Correct : B. Greater than 92
74. A Cyclotron is ___?
Correct : B. A particle Accelerator
75. Steel is an alloy consisting mostly of iron, with a carbon content between 0.2% and 2.1% by
weight. An increasing amount of Iron will result in which of the following?
Correct : A. Increase Hardening
76. Cassiterite is an ore of which of the following ?
Correct : D. Tin
77. Which of the following are found in nucleus of Deuterium
Correct : A. 1 proton & 1 neutron
78. Which among the following provides the centripetal force to an electron circulating around
the nucleus?
Correct : B. electrostatic force of attraction
79. Which among the following of a catalyst does not change at the end of a reaction?
Correct : C. Both Quantity and Chemical com position
80. The noble gases are a group of chemical elements with very similar properties: under standard conditions, they are all odorless, colorless, monatomic gases, with a very low chemical reactivity. How many Noble gases occur naturally?
Correct : B. 6
81. Hard Water contains which of the following?
Correct : C. Calcium
82. Which among the following is an ionic solid?
Correct : C. Table salt
83. Which among the following statements about Ozone is INCORRECT?
Correct : B. It is lighter than oxygen that is why it is found in the upper atmosphere
84. Which among the following is correct ?
Correct : B. Oxidation takes place at Anode and Reduction Takes place at Cathode
85. The atomic weight of Chlorine is 35. It consists of _______?
Correct : A. 17 Protons + 18 Neutrons
86. When we buy a Jewellery of 22 carat Gold , this means that we are getting a purity of gold with ______?
Correct : B. 91.67%
87. An Jewellery was left exposed to the atmosphere for some time and it becomes coated with green carbonate. The Jewellery is made up of which of the following?
Correct : A. Copper
88. The process of purifying water by spraying water on to a bed of stones where microorganism live so that the microorganisms feed on the pathogens in water and make the water free from harmful pathogens is called?
Correct : B. biofilter method
89. As per Avogadro‘s hypothesis , equal volumes of different gases at the same temperature
and pressure contain equal number of ______?
Correct : B. Molecules
90. Duralumin which is used in making aero planes is an alloy consisting of _____?
Correct : C. Aluminum, Copper, Manganese & Magnesium
91. Which among the following was the first artificially produced element?
Correct : C. Technetium
92. Froth & Foams are examples of which of the following ?
Correct : C. gas suspended in liquid
93. Which among the following is most electronegative element?
Correct : B. FLourine
94. What is the main use of Bisphenol A drug ?
Correct : B. A chemical compound which is used in plastics used for food packaging
95. Which among the following is not a constituent of gobar gas?
Correct : B. Propane
96. Which among the following is incorrect regarding the chemical nature of Diamond & Graphite?
Correct : C. Both Diamond and Graphite are good conductors of electricity
97. Galvanizing is a metallurgical process that is used to coat steel or iron with which of the
following?
Correct : A. Zinc
98. Which among the following is Quick Silver?
Correct : B. Mercury
99. The primary part of Liquefied Petroleum Gas LPG is ______?
Correct : C. Propane
100. Which among the following explains the radiation emitted by black bodies?