General Knowledge : General Science QUESTIONS AND ANSWERS :: part2 : 36 to 40
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :
36.Which of the following is a chemical change ? |
| Magnetisation of iron |
| Melting of ice |
| Burning of sulphur |
| Melting of qax |
37.Which is/are the important raw material(s) required in cement industry ? |
| Limestone |
| Gypsum and clay |
| Clay |
| Limestone and clay |
38.Which of the following is a protein ? |
| Wool |
| Strarch |
| Natural rubber |
| Cellulose |
39.Which of the following fibres is generally preferred for making gauze and lint ? |
| Cotton |
| Rayon |
| Nylon |
| Terylene |
40.The neutral atoms two isotopes differ in the number of |
| electron shells |
| protons |
| calence electrons |
| neutrons |
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