1 | Gun Powder is a Mixture of- | Nitrate, Sulphur and Charcoal |
2 | Which of the following mixture cause the explosion of TNT (Trinitrotoluene) | Ammonium Nitrate |
3 | Which of the following Isotope is used in the production of Nuclear Energy? | U-235 |
4 | High amount of energy is released in the explosion of atomic bomb is due to- | Conversion of Mass into energy |
5 | Tritium is an Isotope of - | Hydrogen |
6 | In India Nuclear Weapon was tested at - | Pokhran |
7 | Nuclear Power Reactor act on the Principle of- | Fission |
8 | The two elements which are used to absorb the neutrons in nuclear fission during chain reaction | Boran and Cadmium |
9 | Fuel used in Nuclear reactor is - | Uranium |
10 | Graphite is used as a............ in nuclear reactors. | Moderator |
11 | Heavy water used as a coolant in nuclear reactor. Heavy Water is: 65292 | Water containing heavy Isotopes of Hydrogen atom |
12 | In nuclear reactor, Neutrons are slowdown by the | Moderator |
13 | Who discovered the natural radioactivity? | Henri Becquerel |
14 | Radioactive decay of uranium resulted the formation of final product- | Lead |
15 | Uranium eventually decays into a stable isotope of - | Lead |
16 | In the treatment of skin disease the radio isotope used is- | Radio Phosphorous |
17 | Radioactivity is Measured by - | Giger - Muller counter |
18 | The most suitable unit to express the nuclear radius is - | Fermi |
19 | Radioactive Noble Gas is- | Rn |
20 | There is no change in radioactive element (Mass or change) during - | Gamma emission |
21 | Radioactivity is the fission of - | Nucleus |
22 | Quality of Petrol expressed in terms of | Octane number |
23 | In LPG cylinder under the High Pressure mainly mixture of Gases filled in Liquid form -72 0 | Propane and Butane |
24 | Kitchen or Cooking Gas is a mixture of - | Butane and Propane |
25 | PNG (Piped Natural Gas) is used for - | Cooking |
26 | TEL (Tetra Ethyl Lead) is a - | An anti knock Compound |
27 | Wax used for making candles is chemically a mixture of- | Aliphatic Hydrocarbons |
28 | Petroleum is a Mixture of - | Hydrocarbons |
29 | Glycol is added to aviation gasoline because it | Prevents freezing of petrol |
30 | Water is not effective in extinguishing a fire caused by petrol because- | Water and petrol are immiscible with each other and petrol which forms upper Layer continuous to burn. |
31 | Diesel oil is prefer for Heavy Motor Vehicles because it- | It has more capacity and fuel save |
32 | The temperature of oxy-acetylene flame is around- | 32000C |
33 | Rayon is formed by - | Cellulose |
34 | Polyethene is formed by - | Ethylene |
35 | Glycogen, Cellulose and starch are the polymers of- | Glucose |
36 | The process of Heating of Rubber with sulphur to increase it quality is known as - | Vulcanization |
37 | Natural rubber is a polymer of- | Isoprene |
38 | Afriline is a - | Fiber |
39 | PVC is obtained by the polymerization of - | Vinyl chloride |
40 | The gas that usually cause explosion in coal mines is- | Methane (CH4) |
41 | Bakelite and Phenol are the polymers of- | Formaldehyde |
42 | Silicon is a Polymer of | Dialkyal dichloro silane |
43 | Which gas used as an anesthetic? | Nitrous oxide |
44 | The drug which Lowers anxiety and provide Peace - | Tranquilizer |
45 | The branch of medicine involving synthetic chemical compounds is- | Allopathic |
46 | The pair of compounds used as anesthetic in medicine is - | Nitrogen dioxide, chloroform |
47 | Fluid used commonly in making Bio-gas - | Animal Wast |
48 | Gobargas mainly contains | Methane |
49 | Main Constituent of air is- | Nitrogen |
50 | Zinc Phosphide is commonly used as - | Rodenticide |
Comments
Post a Comment