| Objective General Knowledge |
| Q. | Which of the following is a polymer? | | | 1 | Vinyl Chloride | | | 2 | Urea | | | 3 | Starch | | | 4 | Styrence | | | Ans:1 |
|
| Q. | Glass is mostly produced by heating ___ to about 1400 degree centigrade. | | | 1 | Limestone and Soda ash | | | 2 | Soda ash and Silica | | | 3 | Silica and Limestone | | | 4 | Limestone, Silica and Soda ash | | | Ans:4 |
|
| Q. | The tip of the match-stick contains | | | 1 | phosphorus pentoxide | | | 2 | white phosphorus | | | 3 | red phosphorus | | | 4 | Phosphorus trichloride | | | Ans:2 |
|
| Q. | Which of the following elements is not present in stainless steel? | | | 1 | Iron | | | 2 | Tungsten | | | 3 | Chromium | | | 4 | Nickel | | | Ans:2 |
|
| Q. | Biogas mainly contains | | | 1 | Methane | | | 2 | Ethane | | | 3 | Hydrogen | | | 4 | CO | | | Ans:1 |
|
| Q. | Why does diamond shine at night? | | | 1 | Diamonds are radioactive so there are radiations | | | 2 | On account of high refractive index, the rays of light get internally reflected | | | 3 | Diamonds shine because they have some amount of radium in the | | | 4 | Diamond shines because it has tetrahedral molecular structure | | | Ans:4 |
|
| Q. | A light sensitive compound used in photography is | | | 1 | Silver chloride | | | 2 | Silver sulphide | | | 3 | Silver bromide | | | 4 | Silver oxide | | | Ans:3 |
|
| Q. | Which of the following types of clothes is manufactured by using petroleum products? | | | 1 | Rayon Silk | | | 2 | Terelyne | | | 3 | Nylon | | | 4 | Cotton | | | Ans:3 |
|
| Q. | Polythene is industrially prepared by the polymerization of - | | | 1 | Methane | | | 2 | Styrene | | | 3 | Acetylene | | | 4 | Ethylene | | | Ans:4 |
|
| Q. | Hydrogen is used instead of Helium to fill balloons for meteorology because | | | 1 | of its low density | | | 2 | It is not very reactive under normal conditions | | | 3 | It is almost insoluble in water | | | 4 | It can be prepared easily | | | Ans:1 |
|
|
