Elements And Compounds Around Us QUESTIONS AND ANSWERS :: part5 : 1 to 5
Following Elements And Compounds Around Us Multiple choice objective type questions and answers will help you in many competitive written examinations and inteview 2024 like SSC exams :
1.Chalk, marble, baking powder are examples for ……………….. |
| Inorganic compounds |
| Organic compounds |
| metals |
| none |
2.On heating sugar is decomposed to ……………. & …………… |
| CO₂ and H₂O |
| Carbon and H₂O |
| Oxygen and water |
| none |
3.Water expands by about …………….% as it freezes |
| 10 |
| 20 |
| 5 |
| none |
4.The only acid that can dissolve glass is …………… |
| Hydrochloric acid |
| Hydrofluoric acid |
| Hydrobromic acid |
| none |
5.Oil, carbohydrates and proteins are examples for ……………. |
| Elements |
| Organic compounds |
| Non-metals |
| none |
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